diff --git a/setup.py b/setup.py
index 814ecb3c..44f1912b 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@ def read_file(filename):
     author_email="api@xero.com",
     python_requires=">=3.5",
     classifiers=[
-        "Development Status :: 2 - Pre-Alpha",
+        "Development Status :: 4 - Beta",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: MIT License",
         "Natural Language :: English",
@@ -48,5 +48,5 @@ def read_file(filename):
     keywords="xero python sdk API oAuth",
     name="xero_python",
     packages=find_packages(include=["xero_python", "xero_python.*"]),
-    version="1.0.11",
+    version="1.0.12",
 )
diff --git a/xero_python/__init__.py b/xero_python/__init__.py
index cee47bdf..f3bd6f1f 100644
--- a/xero_python/__init__.py
+++ b/xero_python/__init__.py
@@ -2,4 +2,4 @@
 
 __author__ = """Xero Developer API"""
 __email__ = "api@xero.com"
-__version__ = "1.0.11"
+__version__ = "1.0.12"
diff --git a/xero_python/accounting/__init__.py b/xero_python/accounting/__init__.py
index ccb80606..ec3525fe 100644
--- a/xero_python/accounting/__init__.py
+++ b/xero_python/accounting/__init__.py
@@ -7,7 +7,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/api/accounting_api.py b/xero_python/accounting/api/accounting_api.py
index fd803822..b4216e51 100644
--- a/xero_python/accounting/api/accounting_api.py
+++ b/xero_python/accounting/api/accounting_api.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
@@ -3636,6 +3636,108 @@ def create_prepayment_history(
         except exceptions.HTTPStatusException as error:
             raise translate_status_exception(error, self, "create_prepayment_history")
 
+    def create_purchase_order_attachment_by_file_name(
+        self,
+        xero_tenant_id,
+        purchase_order_id,
+        file_name,
+        body,
+        _return_http_data_only=True,
+        _preload_content=True,
+        _request_timeout=None,
+    ):
+        """Allows you to create Attachment on Purchase Order  # noqa: E501
+        OAuth2 scope: accounting.attachments
+        :param str xero_tenant_id: Xero identifier for Tenant (required)
+        :param str purchase_order_id: Unique identifier for Purchase Order object (required)
+        :param str file_name: Name of the attachment (required)
+        :param str body: Byte array of file in body of request (required)
+        :param bool _return_http_data_only: return received data only
+        :param bool _preload_content: load received data in models
+        :param bool _request_timeout: maximum wait time for response
+        :return: Attachments
+        """
+
+        # verify the required parameter 'xero_tenant_id' is set
+        if xero_tenant_id is None:
+            raise ValueError(
+                "Missing the required parameter `xero_tenant_id` "
+                "when calling `create_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'purchase_order_id' is set
+        if purchase_order_id is None:
+            raise ValueError(
+                "Missing the required parameter `purchase_order_id` "
+                "when calling `create_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'file_name' is set
+        if file_name is None:
+            raise ValueError(
+                "Missing the required parameter `file_name` "
+                "when calling `create_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'body' is set
+        if body is None:
+            raise ValueError(
+                "Missing the required parameter `body` "
+                "when calling `create_purchase_order_attachment_by_file_name`"
+            )
+
+        collection_formats = {}
+        path_params = {
+            "PurchaseOrderID": purchase_order_id,
+            "FileName": file_name,
+        }
+
+        query_params = []
+
+        header_params = {
+            "xero-tenant-id": xero_tenant_id,
+        }
+
+        local_var_files = {}
+        form_params = []
+
+        body_params = body
+        # HTTP header `Accept`
+        header_params["Accept"] = self.api_client.select_header_accept(
+            ["application/json"]
+        )
+
+        # HTTP header `Content-Type`
+        header_params["Content-Type"] = self.api_client.select_header_content_type(
+            ["application/octet-stream"]
+        )
+
+        # Authentication setting
+        auth_settings = ["OAuth2"]
+        url = self.get_resource_url(
+            "/PurchaseOrders/{PurchaseOrderID}/Attachments/{FileName}"
+        )
+
+        try:
+            return self.api_client.call_api(
+                url,
+                "PUT",
+                path_params,
+                query_params,
+                header_params,
+                body=body_params,
+                post_params=form_params,
+                files=local_var_files,
+                response_type="Attachments",
+                response_model_finder=self.get_model_finder(),
+                auth_settings=auth_settings,
+                _return_http_data_only=_return_http_data_only,
+                _preload_content=_preload_content,
+                _request_timeout=_request_timeout,
+                collection_formats=collection_formats,
+            )
+        except exceptions.HTTPStatusException as error:
+            raise translate_status_exception(
+                error, self, "create_purchase_order_attachment_by_file_name"
+            )
+
     def create_purchase_order_history(
         self,
         xero_tenant_id,
@@ -12108,6 +12210,280 @@ def get_purchase_order_as_pdf(
         except exceptions.HTTPStatusException as error:
             raise translate_status_exception(error, self, "get_purchase_order_as_pdf")
 
+    def get_purchase_order_attachment_by_file_name(
+        self,
+        xero_tenant_id,
+        purchase_order_id,
+        file_name,
+        content_type,
+        _return_http_data_only=True,
+        _preload_content=True,
+        _request_timeout=None,
+    ):
+        """Allows you to retrieve Attachment on a Purchase Order by Filename  # noqa: E501
+        OAuth2 scope: accounting.attachments.read
+        :param str xero_tenant_id: Xero identifier for Tenant (required)
+        :param str purchase_order_id: Unique identifier for Purchase Order object (required)
+        :param str file_name: Name of the attachment (required)
+        :param str content_type: The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
+        :param bool _return_http_data_only: return received data only
+        :param bool _preload_content: load received data in models
+        :param bool _request_timeout: maximum wait time for response
+        :return: file
+        """
+
+        # verify the required parameter 'xero_tenant_id' is set
+        if xero_tenant_id is None:
+            raise ValueError(
+                "Missing the required parameter `xero_tenant_id` "
+                "when calling `get_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'purchase_order_id' is set
+        if purchase_order_id is None:
+            raise ValueError(
+                "Missing the required parameter `purchase_order_id` "
+                "when calling `get_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'file_name' is set
+        if file_name is None:
+            raise ValueError(
+                "Missing the required parameter `file_name` "
+                "when calling `get_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'content_type' is set
+        if content_type is None:
+            raise ValueError(
+                "Missing the required parameter `content_type` "
+                "when calling `get_purchase_order_attachment_by_file_name`"
+            )
+
+        collection_formats = {}
+        path_params = {
+            "PurchaseOrderID": purchase_order_id,
+            "FileName": file_name,
+        }
+
+        query_params = []
+
+        header_params = {
+            "xero-tenant-id": xero_tenant_id,
+            "contentType": content_type,
+        }
+
+        local_var_files = {}
+        form_params = []
+
+        body_params = None
+        # HTTP header `Accept`
+        header_params["Accept"] = self.api_client.select_header_accept(
+            ["application/octet-stream"]
+        )
+
+        # Authentication setting
+        auth_settings = ["OAuth2"]
+        url = self.get_resource_url(
+            "/PurchaseOrders/{PurchaseOrderID}/Attachments/{FileName}"
+        )
+
+        try:
+            return self.api_client.call_api(
+                url,
+                "GET",
+                path_params,
+                query_params,
+                header_params,
+                body=body_params,
+                post_params=form_params,
+                files=local_var_files,
+                response_type="file",
+                response_model_finder=self.get_model_finder(),
+                auth_settings=auth_settings,
+                _return_http_data_only=_return_http_data_only,
+                _preload_content=_preload_content,
+                _request_timeout=_request_timeout,
+                collection_formats=collection_formats,
+            )
+        except exceptions.HTTPStatusException as error:
+            raise translate_status_exception(
+                error, self, "get_purchase_order_attachment_by_file_name"
+            )
+
+    def get_purchase_order_attachment_by_id(
+        self,
+        xero_tenant_id,
+        purchase_order_id,
+        attachment_id,
+        content_type,
+        _return_http_data_only=True,
+        _preload_content=True,
+        _request_timeout=None,
+    ):
+        """Allows you to retrieve specific Attachment on purchase order  # noqa: E501
+        OAuth2 scope: accounting.attachments.read
+        :param str xero_tenant_id: Xero identifier for Tenant (required)
+        :param str purchase_order_id: Unique identifier for Purchase Order object (required)
+        :param str attachment_id: Unique identifier for Attachment object (required)
+        :param str content_type: The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf (required)
+        :param bool _return_http_data_only: return received data only
+        :param bool _preload_content: load received data in models
+        :param bool _request_timeout: maximum wait time for response
+        :return: file
+        """
+
+        # verify the required parameter 'xero_tenant_id' is set
+        if xero_tenant_id is None:
+            raise ValueError(
+                "Missing the required parameter `xero_tenant_id` "
+                "when calling `get_purchase_order_attachment_by_id`"
+            )
+        # verify the required parameter 'purchase_order_id' is set
+        if purchase_order_id is None:
+            raise ValueError(
+                "Missing the required parameter `purchase_order_id` "
+                "when calling `get_purchase_order_attachment_by_id`"
+            )
+        # verify the required parameter 'attachment_id' is set
+        if attachment_id is None:
+            raise ValueError(
+                "Missing the required parameter `attachment_id` "
+                "when calling `get_purchase_order_attachment_by_id`"
+            )
+        # verify the required parameter 'content_type' is set
+        if content_type is None:
+            raise ValueError(
+                "Missing the required parameter `content_type` "
+                "when calling `get_purchase_order_attachment_by_id`"
+            )
+
+        collection_formats = {}
+        path_params = {
+            "PurchaseOrderID": purchase_order_id,
+            "AttachmentID": attachment_id,
+        }
+
+        query_params = []
+
+        header_params = {
+            "xero-tenant-id": xero_tenant_id,
+            "contentType": content_type,
+        }
+
+        local_var_files = {}
+        form_params = []
+
+        body_params = None
+        # HTTP header `Accept`
+        header_params["Accept"] = self.api_client.select_header_accept(
+            ["application/octet-stream"]
+        )
+
+        # Authentication setting
+        auth_settings = ["OAuth2"]
+        url = self.get_resource_url(
+            "/PurchaseOrders/{PurchaseOrderID}/Attachments/{AttachmentID}"
+        )
+
+        try:
+            return self.api_client.call_api(
+                url,
+                "GET",
+                path_params,
+                query_params,
+                header_params,
+                body=body_params,
+                post_params=form_params,
+                files=local_var_files,
+                response_type="file",
+                response_model_finder=self.get_model_finder(),
+                auth_settings=auth_settings,
+                _return_http_data_only=_return_http_data_only,
+                _preload_content=_preload_content,
+                _request_timeout=_request_timeout,
+                collection_formats=collection_formats,
+            )
+        except exceptions.HTTPStatusException as error:
+            raise translate_status_exception(
+                error, self, "get_purchase_order_attachment_by_id"
+            )
+
+    def get_purchase_order_attachments(
+        self,
+        xero_tenant_id,
+        purchase_order_id,
+        _return_http_data_only=True,
+        _preload_content=True,
+        _request_timeout=None,
+    ):
+        """Allows you to retrieve attachments for purchase orders  # noqa: E501
+        OAuth2 scope: accounting.attachments.read
+        :param str xero_tenant_id: Xero identifier for Tenant (required)
+        :param str purchase_order_id: Unique identifier for Purchase Orders object (required)
+        :param bool _return_http_data_only: return received data only
+        :param bool _preload_content: load received data in models
+        :param bool _request_timeout: maximum wait time for response
+        :return: Attachments
+        """
+
+        # verify the required parameter 'xero_tenant_id' is set
+        if xero_tenant_id is None:
+            raise ValueError(
+                "Missing the required parameter `xero_tenant_id` "
+                "when calling `get_purchase_order_attachments`"
+            )
+        # verify the required parameter 'purchase_order_id' is set
+        if purchase_order_id is None:
+            raise ValueError(
+                "Missing the required parameter `purchase_order_id` "
+                "when calling `get_purchase_order_attachments`"
+            )
+
+        collection_formats = {}
+        path_params = {
+            "PurchaseOrderID": purchase_order_id,
+        }
+
+        query_params = []
+
+        header_params = {
+            "xero-tenant-id": xero_tenant_id,
+        }
+
+        local_var_files = {}
+        form_params = []
+
+        body_params = None
+        # HTTP header `Accept`
+        header_params["Accept"] = self.api_client.select_header_accept(
+            ["application/json"]
+        )
+
+        # Authentication setting
+        auth_settings = ["OAuth2"]
+        url = self.get_resource_url("/PurchaseOrders/{PurchaseOrderID}/Attachments")
+
+        try:
+            return self.api_client.call_api(
+                url,
+                "GET",
+                path_params,
+                query_params,
+                header_params,
+                body=body_params,
+                post_params=form_params,
+                files=local_var_files,
+                response_type="Attachments",
+                response_model_finder=self.get_model_finder(),
+                auth_settings=auth_settings,
+                _return_http_data_only=_return_http_data_only,
+                _preload_content=_preload_content,
+                _request_timeout=_request_timeout,
+                collection_formats=collection_formats,
+            )
+        except exceptions.HTTPStatusException as error:
+            raise translate_status_exception(
+                error, self, "get_purchase_order_attachments"
+            )
+
     def get_purchase_order_by_number(
         self,
         xero_tenant_id,
@@ -17789,6 +18165,108 @@ def update_purchase_order(
         except exceptions.HTTPStatusException as error:
             raise translate_status_exception(error, self, "update_purchase_order")
 
+    def update_purchase_order_attachment_by_file_name(
+        self,
+        xero_tenant_id,
+        purchase_order_id,
+        file_name,
+        body,
+        _return_http_data_only=True,
+        _preload_content=True,
+        _request_timeout=None,
+    ):
+        """Allows you to update Attachment on Purchase Order by Filename  # noqa: E501
+        OAuth2 scope: accounting.attachments
+        :param str xero_tenant_id: Xero identifier for Tenant (required)
+        :param str purchase_order_id: Unique identifier for Purchase Order object (required)
+        :param str file_name: Name of the attachment (required)
+        :param str body: Byte array of file in body of request (required)
+        :param bool _return_http_data_only: return received data only
+        :param bool _preload_content: load received data in models
+        :param bool _request_timeout: maximum wait time for response
+        :return: Attachments
+        """
+
+        # verify the required parameter 'xero_tenant_id' is set
+        if xero_tenant_id is None:
+            raise ValueError(
+                "Missing the required parameter `xero_tenant_id` "
+                "when calling `update_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'purchase_order_id' is set
+        if purchase_order_id is None:
+            raise ValueError(
+                "Missing the required parameter `purchase_order_id` "
+                "when calling `update_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'file_name' is set
+        if file_name is None:
+            raise ValueError(
+                "Missing the required parameter `file_name` "
+                "when calling `update_purchase_order_attachment_by_file_name`"
+            )
+        # verify the required parameter 'body' is set
+        if body is None:
+            raise ValueError(
+                "Missing the required parameter `body` "
+                "when calling `update_purchase_order_attachment_by_file_name`"
+            )
+
+        collection_formats = {}
+        path_params = {
+            "PurchaseOrderID": purchase_order_id,
+            "FileName": file_name,
+        }
+
+        query_params = []
+
+        header_params = {
+            "xero-tenant-id": xero_tenant_id,
+        }
+
+        local_var_files = {}
+        form_params = []
+
+        body_params = body
+        # HTTP header `Accept`
+        header_params["Accept"] = self.api_client.select_header_accept(
+            ["application/json"]
+        )
+
+        # HTTP header `Content-Type`
+        header_params["Content-Type"] = self.api_client.select_header_content_type(
+            ["application/octet-stream"]
+        )
+
+        # Authentication setting
+        auth_settings = ["OAuth2"]
+        url = self.get_resource_url(
+            "/PurchaseOrders/{PurchaseOrderID}/Attachments/{FileName}"
+        )
+
+        try:
+            return self.api_client.call_api(
+                url,
+                "POST",
+                path_params,
+                query_params,
+                header_params,
+                body=body_params,
+                post_params=form_params,
+                files=local_var_files,
+                response_type="Attachments",
+                response_model_finder=self.get_model_finder(),
+                auth_settings=auth_settings,
+                _return_http_data_only=_return_http_data_only,
+                _preload_content=_preload_content,
+                _request_timeout=_request_timeout,
+                collection_formats=collection_formats,
+            )
+        except exceptions.HTTPStatusException as error:
+            raise translate_status_exception(
+                error, self, "update_purchase_order_attachment_by_file_name"
+            )
+
     def update_quote(
         self,
         xero_tenant_id,
diff --git a/xero_python/accounting/docs/AccountingApi.md b/xero_python/accounting/docs/AccountingApi.md
index 7acc1f4f..c4c81f56 100644
--- a/xero_python/accounting/docs/AccountingApi.md
+++ b/xero_python/accounting/docs/AccountingApi.md
@@ -44,6 +44,7 @@ Method | HTTP request | Description
 [**create_payments**](AccountingApi.md#create_payments) | **PUT** /Payments | Allows you to create multiple payments for invoices or credit notes
 [**create_prepayment_allocations**](AccountingApi.md#create_prepayment_allocations) | **PUT** /Prepayments/{PrepaymentID}/Allocations | Allows you to create an Allocation for prepayments
 [**create_prepayment_history**](AccountingApi.md#create_prepayment_history) | **PUT** /Prepayments/{PrepaymentID}/History | Allows you to create a history record for an Prepayment
+[**create_purchase_order_attachment_by_file_name**](AccountingApi.md#create_purchase_order_attachment_by_file_name) | **PUT** /PurchaseOrders/{PurchaseOrderID}/Attachments/{FileName} | Allows you to create Attachment on Purchase Order
 [**create_purchase_order_history**](AccountingApi.md#create_purchase_order_history) | **PUT** /PurchaseOrders/{PurchaseOrderID}/History | Allows you to create HistoryRecord for purchase orders
 [**create_purchase_orders**](AccountingApi.md#create_purchase_orders) | **PUT** /PurchaseOrders | Allows you to create one or more purchase orders
 [**create_quote_attachment_by_file_name**](AccountingApi.md#create_quote_attachment_by_file_name) | **PUT** /Quotes/{QuoteID}/Attachments/{FileName} | Allows you to create Attachment on Quote
@@ -146,6 +147,9 @@ Method | HTTP request | Description
 [**get_prepayments**](AccountingApi.md#get_prepayments) | **GET** /Prepayments | Allows you to retrieve prepayments
 [**get_purchase_order**](AccountingApi.md#get_purchase_order) | **GET** /PurchaseOrders/{PurchaseOrderID} | Allows you to retrieve a specified purchase orders
 [**get_purchase_order_as_pdf**](AccountingApi.md#get_purchase_order_as_pdf) | **GET** /PurchaseOrders/{PurchaseOrderID}/pdf | Allows you to retrieve purchase orders as PDF files
+[**get_purchase_order_attachment_by_file_name**](AccountingApi.md#get_purchase_order_attachment_by_file_name) | **GET** /PurchaseOrders/{PurchaseOrderID}/Attachments/{FileName} | Allows you to retrieve Attachment on a Purchase Order by Filename
+[**get_purchase_order_attachment_by_id**](AccountingApi.md#get_purchase_order_attachment_by_id) | **GET** /PurchaseOrders/{PurchaseOrderID}/Attachments/{AttachmentID} | Allows you to retrieve specific Attachment on purchase order
+[**get_purchase_order_attachments**](AccountingApi.md#get_purchase_order_attachments) | **GET** /PurchaseOrders/{PurchaseOrderID}/Attachments | Allows you to retrieve attachments for purchase orders
 [**get_purchase_order_by_number**](AccountingApi.md#get_purchase_order_by_number) | **GET** /PurchaseOrders/{PurchaseOrderNumber} | Allows you to retrieve a specified purchase orders
 [**get_purchase_order_history**](AccountingApi.md#get_purchase_order_history) | **GET** /PurchaseOrders/{PurchaseOrderID}/History | Allows you to retrieve history for PurchaseOrder
 [**get_purchase_orders**](AccountingApi.md#get_purchase_orders) | **GET** /PurchaseOrders | Allows you to retrieve purchase orders
@@ -211,6 +215,7 @@ Method | HTTP request | Description
 [**update_or_create_purchase_orders**](AccountingApi.md#update_or_create_purchase_orders) | **POST** /PurchaseOrders | Allows you to update or create one or more purchase orders
 [**update_or_create_quotes**](AccountingApi.md#update_or_create_quotes) | **POST** /Quotes | Allows you to update OR create one or more quotes
 [**update_purchase_order**](AccountingApi.md#update_purchase_order) | **POST** /PurchaseOrders/{PurchaseOrderID} | Allows you to update a specified purchase order
+[**update_purchase_order_attachment_by_file_name**](AccountingApi.md#update_purchase_order_attachment_by_file_name) | **POST** /PurchaseOrders/{PurchaseOrderID}/Attachments/{FileName} | Allows you to update Attachment on Purchase Order by Filename
 [**update_quote**](AccountingApi.md#update_quote) | **POST** /Quotes/{QuoteID} | Allows you to update a specified quote
 [**update_quote_attachment_by_file_name**](AccountingApi.md#update_quote_attachment_by_file_name) | **POST** /Quotes/{QuoteID}/Attachments/{FileName} | Allows you to update Attachment on Quote by Filename
 [**update_receipt**](AccountingApi.md#update_receipt) | **POST** /Receipts/{ReceiptID} | Allows you to retrieve a specified draft expense claim receipts
@@ -2833,6 +2838,73 @@ Name | Type | Description  | Notes
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
+# **create_purchase_order_attachment_by_file_name**
+> Attachments create_purchase_order_attachment_by_file_name(xero_tenant_id, purchase_order_id, file_name, body)
+
+Allows you to create Attachment on Purchase Order
+
+### Example
+
+* OAuth Authentication (OAuth2): 
+```python
+from xero_python.api_client import Configuration, ApiClient
+from xero_python.api_client.oauth2 import OAuth2Token
+from xero_python.exceptions import ApiException
+from xero_python.accounting import AccountingApi
+from pprint import pprint
+
+# Configure OAuth2 access token for authorization: OAuth2
+# simplified version, `xero_oauth2_token` represents permanent global token storage
+xero_oauth2_token = {} # set to valid xero oauth2 token dictionary
+# create client configuration with client id and client secret for automatic token refresh
+api_config = Configuration(oauth2_token=OAuth2Token(
+    client_id="YOUR_API_CLIENT_ID", client_secret="YOUR_API_CLIENT_SECRET"
+))
+# configure xero-python sdk client
+api_client = ApiClient(
+    api_config,
+    oauth2_token_saver=lambda x: xero_oauth2_token.update(x),
+    oauth2_token_getter=lambda : xero_oauth2_token
+)
+# create an instance of the API class
+api_instance = AccountingApi(api_client)
+
+xero_tenant_id = 'YOUR_XERO_TENANT_ID' # str | Xero identifier for Tenant
+purchase_order_id = '00000000-0000-0000-000-000000000000' # str | Unique identifier for Purchase Order object
+file_name = 'xero-dev.png' # str | Name of the attachment
+body = 'body_example' # str | Byte array of file in body of request
+try:
+    # Allows you to create Attachment on Purchase Order
+    api_response = api_instance.create_purchase_order_attachment_by_file_name(xero_tenant_id, purchase_order_id, file_name, body)
+    pprint(api_response)
+except ApiException as e:
+    print("Exception when calling AccountingApi->create_purchase_order_attachment_by_file_name: %s\n" % e)
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **xero_tenant_id** | **str**| Xero identifier for Tenant | 
+ **purchase_order_id** | [**str**](.md)| Unique identifier for Purchase Order object | 
+ **file_name** | **str**| Name of the attachment | 
+ **body** | **str**| Byte array of file in body of request | 
+
+### Return type
+
+[**Attachments**](Attachments.md)
+
+### Authorization
+
+[OAuth2](../README.md#OAuth2)
+
+### HTTP request headers
+
+ - **Content-Type**: application/octet-stream
+ - **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
 # **create_purchase_order_history**
 > HistoryRecords create_purchase_order_history(xero_tenant_id, purchase_order_id, history_records)
 
@@ -9464,6 +9536,203 @@ Name | Type | Description  | Notes
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
+# **get_purchase_order_attachment_by_file_name**
+> file get_purchase_order_attachment_by_file_name(xero_tenant_id, purchase_order_id, file_name, content_type)
+
+Allows you to retrieve Attachment on a Purchase Order by Filename
+
+### Example
+
+* OAuth Authentication (OAuth2): 
+```python
+from xero_python.api_client import Configuration, ApiClient
+from xero_python.api_client.oauth2 import OAuth2Token
+from xero_python.exceptions import ApiException
+from xero_python.accounting import AccountingApi
+from pprint import pprint
+
+# Configure OAuth2 access token for authorization: OAuth2
+# simplified version, `xero_oauth2_token` represents permanent global token storage
+xero_oauth2_token = {} # set to valid xero oauth2 token dictionary
+# create client configuration with client id and client secret for automatic token refresh
+api_config = Configuration(oauth2_token=OAuth2Token(
+    client_id="YOUR_API_CLIENT_ID", client_secret="YOUR_API_CLIENT_SECRET"
+))
+# configure xero-python sdk client
+api_client = ApiClient(
+    api_config,
+    oauth2_token_saver=lambda x: xero_oauth2_token.update(x),
+    oauth2_token_getter=lambda : xero_oauth2_token
+)
+# create an instance of the API class
+api_instance = AccountingApi(api_client)
+
+xero_tenant_id = 'YOUR_XERO_TENANT_ID' # str | Xero identifier for Tenant
+purchase_order_id = '00000000-0000-0000-000-000000000000' # str | Unique identifier for Purchase Order object
+file_name = 'xero-dev.jpg' # str | Name of the attachment
+content_type = 'image/jpg' # str | The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf
+try:
+    # Allows you to retrieve Attachment on a Purchase Order by Filename
+    api_response = api_instance.get_purchase_order_attachment_by_file_name(xero_tenant_id, purchase_order_id, file_name, content_type)
+    pprint(api_response)
+except ApiException as e:
+    print("Exception when calling AccountingApi->get_purchase_order_attachment_by_file_name: %s\n" % e)
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **xero_tenant_id** | **str**| Xero identifier for Tenant | 
+ **purchase_order_id** | [**str**](.md)| Unique identifier for Purchase Order object | 
+ **file_name** | **str**| Name of the attachment | 
+ **content_type** | **str**| The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf | 
+
+### Return type
+
+**file**
+
+### Authorization
+
+[OAuth2](../README.md#OAuth2)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/octet-stream
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+# **get_purchase_order_attachment_by_id**
+> file get_purchase_order_attachment_by_id(xero_tenant_id, purchase_order_id, attachment_id, content_type)
+
+Allows you to retrieve specific Attachment on purchase order
+
+### Example
+
+* OAuth Authentication (OAuth2): 
+```python
+from xero_python.api_client import Configuration, ApiClient
+from xero_python.api_client.oauth2 import OAuth2Token
+from xero_python.exceptions import ApiException
+from xero_python.accounting import AccountingApi
+from pprint import pprint
+
+# Configure OAuth2 access token for authorization: OAuth2
+# simplified version, `xero_oauth2_token` represents permanent global token storage
+xero_oauth2_token = {} # set to valid xero oauth2 token dictionary
+# create client configuration with client id and client secret for automatic token refresh
+api_config = Configuration(oauth2_token=OAuth2Token(
+    client_id="YOUR_API_CLIENT_ID", client_secret="YOUR_API_CLIENT_SECRET"
+))
+# configure xero-python sdk client
+api_client = ApiClient(
+    api_config,
+    oauth2_token_saver=lambda x: xero_oauth2_token.update(x),
+    oauth2_token_getter=lambda : xero_oauth2_token
+)
+# create an instance of the API class
+api_instance = AccountingApi(api_client)
+
+xero_tenant_id = 'YOUR_XERO_TENANT_ID' # str | Xero identifier for Tenant
+purchase_order_id = '00000000-0000-0000-000-000000000000' # str | Unique identifier for Purchase Order object
+attachment_id = '00000000-0000-0000-000-000000000000' # str | Unique identifier for Attachment object
+content_type = 'image/jpg' # str | The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf
+try:
+    # Allows you to retrieve specific Attachment on purchase order
+    api_response = api_instance.get_purchase_order_attachment_by_id(xero_tenant_id, purchase_order_id, attachment_id, content_type)
+    pprint(api_response)
+except ApiException as e:
+    print("Exception when calling AccountingApi->get_purchase_order_attachment_by_id: %s\n" % e)
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **xero_tenant_id** | **str**| Xero identifier for Tenant | 
+ **purchase_order_id** | [**str**](.md)| Unique identifier for Purchase Order object | 
+ **attachment_id** | [**str**](.md)| Unique identifier for Attachment object | 
+ **content_type** | **str**| The mime type of the attachment file you are retrieving i.e image/jpg, application/pdf | 
+
+### Return type
+
+**file**
+
+### Authorization
+
+[OAuth2](../README.md#OAuth2)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/octet-stream
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
+# **get_purchase_order_attachments**
+> Attachments get_purchase_order_attachments(xero_tenant_id, purchase_order_id)
+
+Allows you to retrieve attachments for purchase orders
+
+### Example
+
+* OAuth Authentication (OAuth2): 
+```python
+from xero_python.api_client import Configuration, ApiClient
+from xero_python.api_client.oauth2 import OAuth2Token
+from xero_python.exceptions import ApiException
+from xero_python.accounting import AccountingApi
+from pprint import pprint
+
+# Configure OAuth2 access token for authorization: OAuth2
+# simplified version, `xero_oauth2_token` represents permanent global token storage
+xero_oauth2_token = {} # set to valid xero oauth2 token dictionary
+# create client configuration with client id and client secret for automatic token refresh
+api_config = Configuration(oauth2_token=OAuth2Token(
+    client_id="YOUR_API_CLIENT_ID", client_secret="YOUR_API_CLIENT_SECRET"
+))
+# configure xero-python sdk client
+api_client = ApiClient(
+    api_config,
+    oauth2_token_saver=lambda x: xero_oauth2_token.update(x),
+    oauth2_token_getter=lambda : xero_oauth2_token
+)
+# create an instance of the API class
+api_instance = AccountingApi(api_client)
+
+xero_tenant_id = 'YOUR_XERO_TENANT_ID' # str | Xero identifier for Tenant
+purchase_order_id = '00000000-0000-0000-000-000000000000' # str | Unique identifier for Purchase Orders object
+try:
+    # Allows you to retrieve attachments for purchase orders
+    api_response = api_instance.get_purchase_order_attachments(xero_tenant_id, purchase_order_id)
+    pprint(api_response)
+except ApiException as e:
+    print("Exception when calling AccountingApi->get_purchase_order_attachments: %s\n" % e)
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **xero_tenant_id** | **str**| Xero identifier for Tenant | 
+ **purchase_order_id** | [**str**](.md)| Unique identifier for Purchase Orders object | 
+
+### Return type
+
+[**Attachments**](Attachments.md)
+
+### Authorization
+
+[OAuth2](../README.md#OAuth2)
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
 # **get_purchase_order_by_number**
 > PurchaseOrders get_purchase_order_by_number(xero_tenant_id, purchase_order_number)
 
@@ -13762,6 +14031,73 @@ Name | Type | Description  | Notes
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
+# **update_purchase_order_attachment_by_file_name**
+> Attachments update_purchase_order_attachment_by_file_name(xero_tenant_id, purchase_order_id, file_name, body)
+
+Allows you to update Attachment on Purchase Order by Filename
+
+### Example
+
+* OAuth Authentication (OAuth2): 
+```python
+from xero_python.api_client import Configuration, ApiClient
+from xero_python.api_client.oauth2 import OAuth2Token
+from xero_python.exceptions import ApiException
+from xero_python.accounting import AccountingApi
+from pprint import pprint
+
+# Configure OAuth2 access token for authorization: OAuth2
+# simplified version, `xero_oauth2_token` represents permanent global token storage
+xero_oauth2_token = {} # set to valid xero oauth2 token dictionary
+# create client configuration with client id and client secret for automatic token refresh
+api_config = Configuration(oauth2_token=OAuth2Token(
+    client_id="YOUR_API_CLIENT_ID", client_secret="YOUR_API_CLIENT_SECRET"
+))
+# configure xero-python sdk client
+api_client = ApiClient(
+    api_config,
+    oauth2_token_saver=lambda x: xero_oauth2_token.update(x),
+    oauth2_token_getter=lambda : xero_oauth2_token
+)
+# create an instance of the API class
+api_instance = AccountingApi(api_client)
+
+xero_tenant_id = 'YOUR_XERO_TENANT_ID' # str | Xero identifier for Tenant
+purchase_order_id = '00000000-0000-0000-000-000000000000' # str | Unique identifier for Purchase Order object
+file_name = 'xero-dev.png' # str | Name of the attachment
+body = 'body_example' # str | Byte array of file in body of request
+try:
+    # Allows you to update Attachment on Purchase Order by Filename
+    api_response = api_instance.update_purchase_order_attachment_by_file_name(xero_tenant_id, purchase_order_id, file_name, body)
+    pprint(api_response)
+except ApiException as e:
+    print("Exception when calling AccountingApi->update_purchase_order_attachment_by_file_name: %s\n" % e)
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **xero_tenant_id** | **str**| Xero identifier for Tenant | 
+ **purchase_order_id** | [**str**](.md)| Unique identifier for Purchase Order object | 
+ **file_name** | **str**| Name of the attachment | 
+ **body** | **str**| Byte array of file in body of request | 
+
+### Return type
+
+[**Attachments**](Attachments.md)
+
+### Authorization
+
+[OAuth2](../README.md#OAuth2)
+
+### HTTP request headers
+
+ - **Content-Type**: application/octet-stream
+ - **Accept**: application/json
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+
 # **update_quote**
 > Quotes update_quote(xero_tenant_id, quote_id, quotes)
 
diff --git a/xero_python/accounting/models/__init__.py b/xero_python/accounting/models/__init__.py
index 8393e946..ce1a3fc4 100644
--- a/xero_python/accounting/models/__init__.py
+++ b/xero_python/accounting/models/__init__.py
@@ -6,7 +6,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/account.py b/xero_python/accounting/models/account.py
index 1f845462..9a851121 100644
--- a/xero_python/accounting/models/account.py
+++ b/xero_python/accounting/models/account.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/account_type.py b/xero_python/accounting/models/account_type.py
index 43a9d389..e2d09627 100644
--- a/xero_python/accounting/models/account_type.py
+++ b/xero_python/accounting/models/account_type.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/accounts.py b/xero_python/accounting/models/accounts.py
index b1ecbf81..179fcd04 100644
--- a/xero_python/accounting/models/accounts.py
+++ b/xero_python/accounting/models/accounts.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/accounts_payable.py b/xero_python/accounting/models/accounts_payable.py
index 21e89f86..cd62c314 100644
--- a/xero_python/accounting/models/accounts_payable.py
+++ b/xero_python/accounting/models/accounts_payable.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/accounts_receivable.py b/xero_python/accounting/models/accounts_receivable.py
index 088025f9..90df6e4e 100644
--- a/xero_python/accounting/models/accounts_receivable.py
+++ b/xero_python/accounting/models/accounts_receivable.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/address.py b/xero_python/accounting/models/address.py
index c697cba8..da5679cb 100644
--- a/xero_python/accounting/models/address.py
+++ b/xero_python/accounting/models/address.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/allocation.py b/xero_python/accounting/models/allocation.py
index 184f52b3..d74c244a 100644
--- a/xero_python/accounting/models/allocation.py
+++ b/xero_python/accounting/models/allocation.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/allocations.py b/xero_python/accounting/models/allocations.py
index 0d2d5e3b..d803eacf 100644
--- a/xero_python/accounting/models/allocations.py
+++ b/xero_python/accounting/models/allocations.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/attachment.py b/xero_python/accounting/models/attachment.py
index 0e641034..7dd9da9a 100644
--- a/xero_python/accounting/models/attachment.py
+++ b/xero_python/accounting/models/attachment.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/attachments.py b/xero_python/accounting/models/attachments.py
index 494a5c18..00c98f2e 100644
--- a/xero_python/accounting/models/attachments.py
+++ b/xero_python/accounting/models/attachments.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/balances.py b/xero_python/accounting/models/balances.py
index 4786e5e2..3d6cc692 100644
--- a/xero_python/accounting/models/balances.py
+++ b/xero_python/accounting/models/balances.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/bank_transaction.py b/xero_python/accounting/models/bank_transaction.py
index bd5cf1c6..7f09e4c7 100644
--- a/xero_python/accounting/models/bank_transaction.py
+++ b/xero_python/accounting/models/bank_transaction.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/bank_transactions.py b/xero_python/accounting/models/bank_transactions.py
index 8ca8fa5a..c71ece7a 100644
--- a/xero_python/accounting/models/bank_transactions.py
+++ b/xero_python/accounting/models/bank_transactions.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/bank_transfer.py b/xero_python/accounting/models/bank_transfer.py
index e6b706f5..478d66e3 100644
--- a/xero_python/accounting/models/bank_transfer.py
+++ b/xero_python/accounting/models/bank_transfer.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/bank_transfers.py b/xero_python/accounting/models/bank_transfers.py
index c9fc2e26..55a3126f 100644
--- a/xero_python/accounting/models/bank_transfers.py
+++ b/xero_python/accounting/models/bank_transfers.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/batch_payment.py b/xero_python/accounting/models/batch_payment.py
index d00e11ba..a00ea14c 100644
--- a/xero_python/accounting/models/batch_payment.py
+++ b/xero_python/accounting/models/batch_payment.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/batch_payment_details.py b/xero_python/accounting/models/batch_payment_details.py
index 8d6d85c5..ddd8e4de 100644
--- a/xero_python/accounting/models/batch_payment_details.py
+++ b/xero_python/accounting/models/batch_payment_details.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/batch_payments.py b/xero_python/accounting/models/batch_payments.py
index 188fc65c..5ad4c94e 100644
--- a/xero_python/accounting/models/batch_payments.py
+++ b/xero_python/accounting/models/batch_payments.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/bill.py b/xero_python/accounting/models/bill.py
index ffeec04b..7ab3fbf9 100644
--- a/xero_python/accounting/models/bill.py
+++ b/xero_python/accounting/models/bill.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/branding_theme.py b/xero_python/accounting/models/branding_theme.py
index 505ffe0e..856bf312 100644
--- a/xero_python/accounting/models/branding_theme.py
+++ b/xero_python/accounting/models/branding_theme.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/branding_themes.py b/xero_python/accounting/models/branding_themes.py
index 4a5edc45..ec1db61b 100644
--- a/xero_python/accounting/models/branding_themes.py
+++ b/xero_python/accounting/models/branding_themes.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/cis_org_setting.py b/xero_python/accounting/models/cis_org_setting.py
index c0e1900e..7c04dc80 100644
--- a/xero_python/accounting/models/cis_org_setting.py
+++ b/xero_python/accounting/models/cis_org_setting.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/cis_setting.py b/xero_python/accounting/models/cis_setting.py
index 73cda810..7a37f10c 100644
--- a/xero_python/accounting/models/cis_setting.py
+++ b/xero_python/accounting/models/cis_setting.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/cis_settings.py b/xero_python/accounting/models/cis_settings.py
index c5943748..19bd538c 100644
--- a/xero_python/accounting/models/cis_settings.py
+++ b/xero_python/accounting/models/cis_settings.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/contact.py b/xero_python/accounting/models/contact.py
index a4afff71..c0d2609e 100644
--- a/xero_python/accounting/models/contact.py
+++ b/xero_python/accounting/models/contact.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/contact_group.py b/xero_python/accounting/models/contact_group.py
index 469bedcb..d95b8656 100644
--- a/xero_python/accounting/models/contact_group.py
+++ b/xero_python/accounting/models/contact_group.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/contact_groups.py b/xero_python/accounting/models/contact_groups.py
index edb3a1f5..36b3c417 100644
--- a/xero_python/accounting/models/contact_groups.py
+++ b/xero_python/accounting/models/contact_groups.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/contact_person.py b/xero_python/accounting/models/contact_person.py
index ac2244ee..5e84329e 100644
--- a/xero_python/accounting/models/contact_person.py
+++ b/xero_python/accounting/models/contact_person.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/contacts.py b/xero_python/accounting/models/contacts.py
index e8ee33d7..7b535366 100644
--- a/xero_python/accounting/models/contacts.py
+++ b/xero_python/accounting/models/contacts.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/country_code.py b/xero_python/accounting/models/country_code.py
index 80c7c385..eb47bb4c 100644
--- a/xero_python/accounting/models/country_code.py
+++ b/xero_python/accounting/models/country_code.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/credit_note.py b/xero_python/accounting/models/credit_note.py
index 2e42e002..3307cf49 100644
--- a/xero_python/accounting/models/credit_note.py
+++ b/xero_python/accounting/models/credit_note.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/credit_notes.py b/xero_python/accounting/models/credit_notes.py
index 3d42f5d2..caa851cd 100644
--- a/xero_python/accounting/models/credit_notes.py
+++ b/xero_python/accounting/models/credit_notes.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/currencies.py b/xero_python/accounting/models/currencies.py
index 5cfc955e..6704b800 100644
--- a/xero_python/accounting/models/currencies.py
+++ b/xero_python/accounting/models/currencies.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/currency.py b/xero_python/accounting/models/currency.py
index e8042f9e..5585e12a 100644
--- a/xero_python/accounting/models/currency.py
+++ b/xero_python/accounting/models/currency.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/currency_code.py b/xero_python/accounting/models/currency_code.py
index 6933f2de..f45db5d5 100644
--- a/xero_python/accounting/models/currency_code.py
+++ b/xero_python/accounting/models/currency_code.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/element.py b/xero_python/accounting/models/element.py
index 3da4d971..188e3cbe 100644
--- a/xero_python/accounting/models/element.py
+++ b/xero_python/accounting/models/element.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/employee.py b/xero_python/accounting/models/employee.py
index 5191c831..4e74e9dc 100644
--- a/xero_python/accounting/models/employee.py
+++ b/xero_python/accounting/models/employee.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/employees.py b/xero_python/accounting/models/employees.py
index 1619c6f6..168cea07 100644
--- a/xero_python/accounting/models/employees.py
+++ b/xero_python/accounting/models/employees.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/error.py b/xero_python/accounting/models/error.py
index 6355586b..734825b1 100644
--- a/xero_python/accounting/models/error.py
+++ b/xero_python/accounting/models/error.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/expense_claim.py b/xero_python/accounting/models/expense_claim.py
index b4a9ba42..6962d0f4 100644
--- a/xero_python/accounting/models/expense_claim.py
+++ b/xero_python/accounting/models/expense_claim.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/expense_claims.py b/xero_python/accounting/models/expense_claims.py
index 4e7c735c..4b4d35f3 100644
--- a/xero_python/accounting/models/expense_claims.py
+++ b/xero_python/accounting/models/expense_claims.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/external_link.py b/xero_python/accounting/models/external_link.py
index b52b3df1..0b96c9cf 100644
--- a/xero_python/accounting/models/external_link.py
+++ b/xero_python/accounting/models/external_link.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/history_record.py b/xero_python/accounting/models/history_record.py
index afc4e154..36dee156 100644
--- a/xero_python/accounting/models/history_record.py
+++ b/xero_python/accounting/models/history_record.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/history_records.py b/xero_python/accounting/models/history_records.py
index 78a7d899..8abd495b 100644
--- a/xero_python/accounting/models/history_records.py
+++ b/xero_python/accounting/models/history_records.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/invoice.py b/xero_python/accounting/models/invoice.py
index 117d9060..2cfb61a6 100644
--- a/xero_python/accounting/models/invoice.py
+++ b/xero_python/accounting/models/invoice.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/invoice_reminder.py b/xero_python/accounting/models/invoice_reminder.py
index fce11dcd..845417ef 100644
--- a/xero_python/accounting/models/invoice_reminder.py
+++ b/xero_python/accounting/models/invoice_reminder.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/invoice_reminders.py b/xero_python/accounting/models/invoice_reminders.py
index 3bfe9131..12606319 100644
--- a/xero_python/accounting/models/invoice_reminders.py
+++ b/xero_python/accounting/models/invoice_reminders.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/invoices.py b/xero_python/accounting/models/invoices.py
index 0a2d9371..ee0c979c 100644
--- a/xero_python/accounting/models/invoices.py
+++ b/xero_python/accounting/models/invoices.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/item.py b/xero_python/accounting/models/item.py
index bb3ce668..4f454e0b 100644
--- a/xero_python/accounting/models/item.py
+++ b/xero_python/accounting/models/item.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/items.py b/xero_python/accounting/models/items.py
index 69fe91dd..347bff77 100644
--- a/xero_python/accounting/models/items.py
+++ b/xero_python/accounting/models/items.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/journal.py b/xero_python/accounting/models/journal.py
index 69d2208f..31477a18 100644
--- a/xero_python/accounting/models/journal.py
+++ b/xero_python/accounting/models/journal.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/journal_line.py b/xero_python/accounting/models/journal_line.py
index 7397fe56..c83afbfb 100644
--- a/xero_python/accounting/models/journal_line.py
+++ b/xero_python/accounting/models/journal_line.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/journals.py b/xero_python/accounting/models/journals.py
index 2d95db51..5925a1cf 100644
--- a/xero_python/accounting/models/journals.py
+++ b/xero_python/accounting/models/journals.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/line_amount_types.py b/xero_python/accounting/models/line_amount_types.py
index 5e73ceda..6048864c 100644
--- a/xero_python/accounting/models/line_amount_types.py
+++ b/xero_python/accounting/models/line_amount_types.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/line_item.py b/xero_python/accounting/models/line_item.py
index 7bb9c187..65cf6400 100644
--- a/xero_python/accounting/models/line_item.py
+++ b/xero_python/accounting/models/line_item.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/line_item_tracking.py b/xero_python/accounting/models/line_item_tracking.py
index c5e4558d..5eeaebe8 100644
--- a/xero_python/accounting/models/line_item_tracking.py
+++ b/xero_python/accounting/models/line_item_tracking.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/linked_transaction.py b/xero_python/accounting/models/linked_transaction.py
index 61a2f3a2..838f90b8 100644
--- a/xero_python/accounting/models/linked_transaction.py
+++ b/xero_python/accounting/models/linked_transaction.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/linked_transactions.py b/xero_python/accounting/models/linked_transactions.py
index 1e3d5e18..8deb185b 100644
--- a/xero_python/accounting/models/linked_transactions.py
+++ b/xero_python/accounting/models/linked_transactions.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/manual_journal.py b/xero_python/accounting/models/manual_journal.py
index 73b70e00..49de9345 100644
--- a/xero_python/accounting/models/manual_journal.py
+++ b/xero_python/accounting/models/manual_journal.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/manual_journal_line.py b/xero_python/accounting/models/manual_journal_line.py
index 98722c3b..84192cd4 100644
--- a/xero_python/accounting/models/manual_journal_line.py
+++ b/xero_python/accounting/models/manual_journal_line.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/manual_journals.py b/xero_python/accounting/models/manual_journals.py
index 192138a5..61e032dc 100644
--- a/xero_python/accounting/models/manual_journals.py
+++ b/xero_python/accounting/models/manual_journals.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/online_invoice.py b/xero_python/accounting/models/online_invoice.py
index 40c244c7..2da58c62 100644
--- a/xero_python/accounting/models/online_invoice.py
+++ b/xero_python/accounting/models/online_invoice.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/online_invoices.py b/xero_python/accounting/models/online_invoices.py
index df6f8e72..b414e223 100644
--- a/xero_python/accounting/models/online_invoices.py
+++ b/xero_python/accounting/models/online_invoices.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/organisation.py b/xero_python/accounting/models/organisation.py
index 778dc0ea..fcdcc26e 100644
--- a/xero_python/accounting/models/organisation.py
+++ b/xero_python/accounting/models/organisation.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/organisations.py b/xero_python/accounting/models/organisations.py
index 0a791342..e6c14fbd 100644
--- a/xero_python/accounting/models/organisations.py
+++ b/xero_python/accounting/models/organisations.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/overpayment.py b/xero_python/accounting/models/overpayment.py
index 58e2308c..f3c07428 100644
--- a/xero_python/accounting/models/overpayment.py
+++ b/xero_python/accounting/models/overpayment.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/overpayments.py b/xero_python/accounting/models/overpayments.py
index 577aaeac..86f15fee 100644
--- a/xero_python/accounting/models/overpayments.py
+++ b/xero_python/accounting/models/overpayments.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/payment.py b/xero_python/accounting/models/payment.py
index 031131ac..9b81b1fe 100644
--- a/xero_python/accounting/models/payment.py
+++ b/xero_python/accounting/models/payment.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/payment_delete.py b/xero_python/accounting/models/payment_delete.py
index 44fbdab0..ef46015e 100644
--- a/xero_python/accounting/models/payment_delete.py
+++ b/xero_python/accounting/models/payment_delete.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/payment_service.py b/xero_python/accounting/models/payment_service.py
index 550c344a..23639656 100644
--- a/xero_python/accounting/models/payment_service.py
+++ b/xero_python/accounting/models/payment_service.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/payment_services.py b/xero_python/accounting/models/payment_services.py
index 211f0b27..8328d5d8 100644
--- a/xero_python/accounting/models/payment_services.py
+++ b/xero_python/accounting/models/payment_services.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/payment_term.py b/xero_python/accounting/models/payment_term.py
index 24e0efdb..4bda03cc 100644
--- a/xero_python/accounting/models/payment_term.py
+++ b/xero_python/accounting/models/payment_term.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/payment_term_type.py b/xero_python/accounting/models/payment_term_type.py
index e4bb462f..b2186b6b 100644
--- a/xero_python/accounting/models/payment_term_type.py
+++ b/xero_python/accounting/models/payment_term_type.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/payments.py b/xero_python/accounting/models/payments.py
index 1929dd5d..a95ce0a5 100644
--- a/xero_python/accounting/models/payments.py
+++ b/xero_python/accounting/models/payments.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/phone.py b/xero_python/accounting/models/phone.py
index b66f4055..38e342f4 100644
--- a/xero_python/accounting/models/phone.py
+++ b/xero_python/accounting/models/phone.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/prepayment.py b/xero_python/accounting/models/prepayment.py
index b9a1c4c7..9dce366a 100644
--- a/xero_python/accounting/models/prepayment.py
+++ b/xero_python/accounting/models/prepayment.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/prepayments.py b/xero_python/accounting/models/prepayments.py
index f05c2883..25f5424f 100644
--- a/xero_python/accounting/models/prepayments.py
+++ b/xero_python/accounting/models/prepayments.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/purchase.py b/xero_python/accounting/models/purchase.py
index 26a23a35..e64421af 100644
--- a/xero_python/accounting/models/purchase.py
+++ b/xero_python/accounting/models/purchase.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/purchase_order.py b/xero_python/accounting/models/purchase_order.py
index 691012b9..292bcbe8 100644
--- a/xero_python/accounting/models/purchase_order.py
+++ b/xero_python/accounting/models/purchase_order.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/purchase_orders.py b/xero_python/accounting/models/purchase_orders.py
index 6f31e2a7..a9a867d7 100644
--- a/xero_python/accounting/models/purchase_orders.py
+++ b/xero_python/accounting/models/purchase_orders.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/quote.py b/xero_python/accounting/models/quote.py
index c282edec..f40987bb 100644
--- a/xero_python/accounting/models/quote.py
+++ b/xero_python/accounting/models/quote.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/quote_line_amount_types.py b/xero_python/accounting/models/quote_line_amount_types.py
index d565466b..dd47321d 100644
--- a/xero_python/accounting/models/quote_line_amount_types.py
+++ b/xero_python/accounting/models/quote_line_amount_types.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/quote_status_codes.py b/xero_python/accounting/models/quote_status_codes.py
index b656dd13..e8c60309 100644
--- a/xero_python/accounting/models/quote_status_codes.py
+++ b/xero_python/accounting/models/quote_status_codes.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/quotes.py b/xero_python/accounting/models/quotes.py
index cf6c17ab..032182f8 100644
--- a/xero_python/accounting/models/quotes.py
+++ b/xero_python/accounting/models/quotes.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/receipt.py b/xero_python/accounting/models/receipt.py
index af4d4196..8bc28394 100644
--- a/xero_python/accounting/models/receipt.py
+++ b/xero_python/accounting/models/receipt.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/receipts.py b/xero_python/accounting/models/receipts.py
index e7bfa746..c4ff4891 100644
--- a/xero_python/accounting/models/receipts.py
+++ b/xero_python/accounting/models/receipts.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/repeating_invoice.py b/xero_python/accounting/models/repeating_invoice.py
index 0bd28c34..47cd9012 100644
--- a/xero_python/accounting/models/repeating_invoice.py
+++ b/xero_python/accounting/models/repeating_invoice.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/repeating_invoices.py b/xero_python/accounting/models/repeating_invoices.py
index f9891ca1..a77246c6 100644
--- a/xero_python/accounting/models/repeating_invoices.py
+++ b/xero_python/accounting/models/repeating_invoices.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/report.py b/xero_python/accounting/models/report.py
index bd9c389b..1331fd30 100644
--- a/xero_python/accounting/models/report.py
+++ b/xero_python/accounting/models/report.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/report_attribute.py b/xero_python/accounting/models/report_attribute.py
index 8259c1e6..47d1bac9 100644
--- a/xero_python/accounting/models/report_attribute.py
+++ b/xero_python/accounting/models/report_attribute.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/report_cell.py b/xero_python/accounting/models/report_cell.py
index 7d6ad346..cdb36d72 100644
--- a/xero_python/accounting/models/report_cell.py
+++ b/xero_python/accounting/models/report_cell.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/report_fields.py b/xero_python/accounting/models/report_fields.py
index 1a93315e..331da6d0 100644
--- a/xero_python/accounting/models/report_fields.py
+++ b/xero_python/accounting/models/report_fields.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/report_row.py b/xero_python/accounting/models/report_row.py
index f13d22a2..d32f32a8 100644
--- a/xero_python/accounting/models/report_row.py
+++ b/xero_python/accounting/models/report_row.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/report_rows.py b/xero_python/accounting/models/report_rows.py
index e7433d05..c7eb7c7c 100644
--- a/xero_python/accounting/models/report_rows.py
+++ b/xero_python/accounting/models/report_rows.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/report_with_row.py b/xero_python/accounting/models/report_with_row.py
index a260813b..90785c36 100644
--- a/xero_python/accounting/models/report_with_row.py
+++ b/xero_python/accounting/models/report_with_row.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/report_with_rows.py b/xero_python/accounting/models/report_with_rows.py
index c6449ef8..d514422f 100644
--- a/xero_python/accounting/models/report_with_rows.py
+++ b/xero_python/accounting/models/report_with_rows.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/reports.py b/xero_python/accounting/models/reports.py
index 24cfbeda..64343448 100644
--- a/xero_python/accounting/models/reports.py
+++ b/xero_python/accounting/models/reports.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/request_empty.py b/xero_python/accounting/models/request_empty.py
index aa639d82..af6b275d 100644
--- a/xero_python/accounting/models/request_empty.py
+++ b/xero_python/accounting/models/request_empty.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/row_type.py b/xero_python/accounting/models/row_type.py
index 3be2c58d..cf7c83a1 100644
--- a/xero_python/accounting/models/row_type.py
+++ b/xero_python/accounting/models/row_type.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/sales_tracking_category.py b/xero_python/accounting/models/sales_tracking_category.py
index cd93d8a9..d0584775 100644
--- a/xero_python/accounting/models/sales_tracking_category.py
+++ b/xero_python/accounting/models/sales_tracking_category.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/schedule.py b/xero_python/accounting/models/schedule.py
index 82788266..ddee94f1 100644
--- a/xero_python/accounting/models/schedule.py
+++ b/xero_python/accounting/models/schedule.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/tax_component.py b/xero_python/accounting/models/tax_component.py
index b6b73139..20e9f6bc 100644
--- a/xero_python/accounting/models/tax_component.py
+++ b/xero_python/accounting/models/tax_component.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/tax_rate.py b/xero_python/accounting/models/tax_rate.py
index 45113d17..bc02fb09 100644
--- a/xero_python/accounting/models/tax_rate.py
+++ b/xero_python/accounting/models/tax_rate.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/tax_rates.py b/xero_python/accounting/models/tax_rates.py
index 3f7a8893..3016a5ed 100644
--- a/xero_python/accounting/models/tax_rates.py
+++ b/xero_python/accounting/models/tax_rates.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/tax_type.py b/xero_python/accounting/models/tax_type.py
index d9c7148e..e297261d 100644
--- a/xero_python/accounting/models/tax_type.py
+++ b/xero_python/accounting/models/tax_type.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/ten_ninety_nine_contact.py b/xero_python/accounting/models/ten_ninety_nine_contact.py
index 410cb91a..2ff733a3 100644
--- a/xero_python/accounting/models/ten_ninety_nine_contact.py
+++ b/xero_python/accounting/models/ten_ninety_nine_contact.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/time_zone.py b/xero_python/accounting/models/time_zone.py
index 2dad786d..1ed4e8cb 100644
--- a/xero_python/accounting/models/time_zone.py
+++ b/xero_python/accounting/models/time_zone.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/tracking_categories.py b/xero_python/accounting/models/tracking_categories.py
index b6aac8ec..c6e96b0e 100644
--- a/xero_python/accounting/models/tracking_categories.py
+++ b/xero_python/accounting/models/tracking_categories.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/tracking_category.py b/xero_python/accounting/models/tracking_category.py
index a5d7a8f3..19ea039c 100644
--- a/xero_python/accounting/models/tracking_category.py
+++ b/xero_python/accounting/models/tracking_category.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/tracking_option.py b/xero_python/accounting/models/tracking_option.py
index 4f89d387..bfb1e67c 100644
--- a/xero_python/accounting/models/tracking_option.py
+++ b/xero_python/accounting/models/tracking_option.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/tracking_options.py b/xero_python/accounting/models/tracking_options.py
index 2373aaa2..8d31de56 100644
--- a/xero_python/accounting/models/tracking_options.py
+++ b/xero_python/accounting/models/tracking_options.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/user.py b/xero_python/accounting/models/user.py
index 41ea3730..712ecfee 100644
--- a/xero_python/accounting/models/user.py
+++ b/xero_python/accounting/models/user.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/users.py b/xero_python/accounting/models/users.py
index 5aa97e59..65d1bc80 100644
--- a/xero_python/accounting/models/users.py
+++ b/xero_python/accounting/models/users.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/accounting/models/validation_error.py b/xero_python/accounting/models/validation_error.py
index e639f62d..ec608a1e 100644
--- a/xero_python/accounting/models/validation_error.py
+++ b/xero_python/accounting/models/validation_error.py
@@ -5,7 +5,7 @@
 
     No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/__init__.py b/xero_python/assets/__init__.py
index 548ec7b2..14e05905 100644
--- a/xero_python/assets/__init__.py
+++ b/xero_python/assets/__init__.py
@@ -7,7 +7,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/api/asset_api.py b/xero_python/assets/api/asset_api.py
index 8cdf7424..9ab34727 100644
--- a/xero_python/assets/api/asset_api.py
+++ b/xero_python/assets/api/asset_api.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/__init__.py b/xero_python/assets/models/__init__.py
index c5aeda16..5aaba184 100644
--- a/xero_python/assets/models/__init__.py
+++ b/xero_python/assets/models/__init__.py
@@ -6,7 +6,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/asset.py b/xero_python/assets/models/asset.py
index aed43374..b3a4484c 100644
--- a/xero_python/assets/models/asset.py
+++ b/xero_python/assets/models/asset.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/asset_status.py b/xero_python/assets/models/asset_status.py
index 16104ca7..38034de3 100644
--- a/xero_python/assets/models/asset_status.py
+++ b/xero_python/assets/models/asset_status.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/asset_status_query_param.py b/xero_python/assets/models/asset_status_query_param.py
index 14dcfea5..f0a8493c 100644
--- a/xero_python/assets/models/asset_status_query_param.py
+++ b/xero_python/assets/models/asset_status_query_param.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/asset_type.py b/xero_python/assets/models/asset_type.py
index 44453b92..ab9a5fe0 100644
--- a/xero_python/assets/models/asset_type.py
+++ b/xero_python/assets/models/asset_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/assets.py b/xero_python/assets/models/assets.py
index cd5a24a7..96cc1c04 100644
--- a/xero_python/assets/models/assets.py
+++ b/xero_python/assets/models/assets.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/book_depreciation_detail.py b/xero_python/assets/models/book_depreciation_detail.py
index 53179922..be8c47f7 100644
--- a/xero_python/assets/models/book_depreciation_detail.py
+++ b/xero_python/assets/models/book_depreciation_detail.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/book_depreciation_setting.py b/xero_python/assets/models/book_depreciation_setting.py
index 95923003..546ff49b 100644
--- a/xero_python/assets/models/book_depreciation_setting.py
+++ b/xero_python/assets/models/book_depreciation_setting.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/error.py b/xero_python/assets/models/error.py
index d8eed39d..b535fccd 100644
--- a/xero_python/assets/models/error.py
+++ b/xero_python/assets/models/error.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/field_validation_errors_element.py b/xero_python/assets/models/field_validation_errors_element.py
index 8682aace..38fc6cd0 100644
--- a/xero_python/assets/models/field_validation_errors_element.py
+++ b/xero_python/assets/models/field_validation_errors_element.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/pagination.py b/xero_python/assets/models/pagination.py
index a7bc3a3f..876313e4 100644
--- a/xero_python/assets/models/pagination.py
+++ b/xero_python/assets/models/pagination.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/resource_validation_errors_element.py b/xero_python/assets/models/resource_validation_errors_element.py
index 94df9f87..70d2ae3d 100644
--- a/xero_python/assets/models/resource_validation_errors_element.py
+++ b/xero_python/assets/models/resource_validation_errors_element.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/assets/models/setting.py b/xero_python/assets/models/setting.py
index ee3b973f..96b4026f 100644
--- a/xero_python/assets/models/setting.py
+++ b/xero_python/assets/models/setting.py
@@ -5,7 +5,7 @@
 
     This is the Xero Assets API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/docs/README.md b/xero_python/docs/README.md
index dcbe070a..54a68155 100644
--- a/xero_python/docs/README.md
+++ b/xero_python/docs/README.md
@@ -3,8 +3,8 @@ This specifing endpoints related to managing authentication tokens and identity
 
 The `xero_python` package is automatically generated by the [XeroAPI SDK 2.0 Codegen](https://github.com/xero-github/xeroapi-sdk-codegen) project:
 
-- API version: 2.3.3
-- Package version: 1.0.11
+- API version: 2.3.4
+- Package version: 1.0.12
 - Build package: org.openapitools.codegen.languages.PythonClientCodegen
 For more information, please visit [https://developer.xero.com](https://developer.xero.com)
 
diff --git a/xero_python/identity/__init__.py b/xero_python/identity/__init__.py
index 65269f7a..0d36fd1b 100644
--- a/xero_python/identity/__init__.py
+++ b/xero_python/identity/__init__.py
@@ -7,7 +7,7 @@
 
     This specifing endpoints related to managing authentication tokens and identity for Xero API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/identity/api/identity_api.py b/xero_python/identity/api/identity_api.py
index 997e84e0..edad1acd 100644
--- a/xero_python/identity/api/identity_api.py
+++ b/xero_python/identity/api/identity_api.py
@@ -5,7 +5,7 @@
 
     This specifing endpoints related to managing authentication tokens and identity for Xero API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/identity/models/__init__.py b/xero_python/identity/models/__init__.py
index c50bcac4..6da81858 100644
--- a/xero_python/identity/models/__init__.py
+++ b/xero_python/identity/models/__init__.py
@@ -6,7 +6,7 @@
 
     This specifing endpoints related to managing authentication tokens and identity for Xero API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/identity/models/access_token.py b/xero_python/identity/models/access_token.py
index 81a8f3d7..5aba2845 100644
--- a/xero_python/identity/models/access_token.py
+++ b/xero_python/identity/models/access_token.py
@@ -5,7 +5,7 @@
 
     This specifing endpoints related to managing authentication tokens and identity for Xero API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/identity/models/connection.py b/xero_python/identity/models/connection.py
index 38762d63..789a220a 100644
--- a/xero_python/identity/models/connection.py
+++ b/xero_python/identity/models/connection.py
@@ -5,7 +5,7 @@
 
     This specifing endpoints related to managing authentication tokens and identity for Xero API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/identity/models/refresh_token.py b/xero_python/identity/models/refresh_token.py
index ca470e30..8e686ceb 100644
--- a/xero_python/identity/models/refresh_token.py
+++ b/xero_python/identity/models/refresh_token.py
@@ -5,7 +5,7 @@
 
     This specifing endpoints related to managing authentication tokens and identity for Xero API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/__init__.py b/xero_python/payrollau/__init__.py
index d3849baa..fb150d4f 100644
--- a/xero_python/payrollau/__init__.py
+++ b/xero_python/payrollau/__init__.py
@@ -7,7 +7,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/api/payroll_au_api.py b/xero_python/payrollau/api/payroll_au_api.py
index 13f4ffc6..e34205d4 100644
--- a/xero_python/payrollau/api/payroll_au_api.py
+++ b/xero_python/payrollau/api/payroll_au_api.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/docs/TaxDeclaration.md b/xero_python/payrollau/docs/TaxDeclaration.md
index e5d6d801..e012c76a 100644
--- a/xero_python/payrollau/docs/TaxDeclaration.md
+++ b/xero_python/payrollau/docs/TaxDeclaration.md
@@ -3,7 +3,7 @@
 ## Properties
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**employee_id** | **str** | Address line 1 for employee home address | 
+**employee_id** | **str** | Address line 1 for employee home address | [optional] 
 **employment_basis** | [**EmploymentBasis**](EmploymentBasis.md) |  | [optional] 
 **tfn_exemption_type** | [**TFNExemptionType**](TFNExemptionType.md) |  | [optional] 
 **tax_file_number** | **str** | The tax file number e.g 123123123. | [optional] 
diff --git a/xero_python/payrollau/models/__init__.py b/xero_python/payrollau/models/__init__.py
index 7908f5c6..a6cb34f7 100644
--- a/xero_python/payrollau/models/__init__.py
+++ b/xero_python/payrollau/models/__init__.py
@@ -6,7 +6,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/account.py b/xero_python/payrollau/models/account.py
index 33f0815f..318370ea 100644
--- a/xero_python/payrollau/models/account.py
+++ b/xero_python/payrollau/models/account.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/account_type.py b/xero_python/payrollau/models/account_type.py
index 1b8402bd..116b33fb 100644
--- a/xero_python/payrollau/models/account_type.py
+++ b/xero_python/payrollau/models/account_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/allowance_type.py b/xero_python/payrollau/models/allowance_type.py
index a855b38b..1072d5c4 100644
--- a/xero_python/payrollau/models/allowance_type.py
+++ b/xero_python/payrollau/models/allowance_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/api_exception.py b/xero_python/payrollau/models/api_exception.py
index 93e8cee9..68f9256c 100644
--- a/xero_python/payrollau/models/api_exception.py
+++ b/xero_python/payrollau/models/api_exception.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/bank_account.py b/xero_python/payrollau/models/bank_account.py
index 73fa697c..c3a86e54 100644
--- a/xero_python/payrollau/models/bank_account.py
+++ b/xero_python/payrollau/models/bank_account.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/calendar_type.py b/xero_python/payrollau/models/calendar_type.py
index 6ea1b0cf..0c411360 100644
--- a/xero_python/payrollau/models/calendar_type.py
+++ b/xero_python/payrollau/models/calendar_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/deduction_line.py b/xero_python/payrollau/models/deduction_line.py
index 5abf6b4b..b68e5927 100644
--- a/xero_python/payrollau/models/deduction_line.py
+++ b/xero_python/payrollau/models/deduction_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/deduction_type.py b/xero_python/payrollau/models/deduction_type.py
index a150f717..5f5d25db 100644
--- a/xero_python/payrollau/models/deduction_type.py
+++ b/xero_python/payrollau/models/deduction_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/deduction_type_calculation_type.py b/xero_python/payrollau/models/deduction_type_calculation_type.py
index d9318d29..8ca2a611 100644
--- a/xero_python/payrollau/models/deduction_type_calculation_type.py
+++ b/xero_python/payrollau/models/deduction_type_calculation_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/earnings_line.py b/xero_python/payrollau/models/earnings_line.py
index a305d52c..2a12fc42 100644
--- a/xero_python/payrollau/models/earnings_line.py
+++ b/xero_python/payrollau/models/earnings_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/earnings_rate.py b/xero_python/payrollau/models/earnings_rate.py
index 0782a6ca..68601ba0 100644
--- a/xero_python/payrollau/models/earnings_rate.py
+++ b/xero_python/payrollau/models/earnings_rate.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/earnings_rate_calculation_type.py b/xero_python/payrollau/models/earnings_rate_calculation_type.py
index 6e2290d9..c0115dcc 100644
--- a/xero_python/payrollau/models/earnings_rate_calculation_type.py
+++ b/xero_python/payrollau/models/earnings_rate_calculation_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/earnings_type.py b/xero_python/payrollau/models/earnings_type.py
index 7bba6620..4e168f68 100644
--- a/xero_python/payrollau/models/earnings_type.py
+++ b/xero_python/payrollau/models/earnings_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/employee.py b/xero_python/payrollau/models/employee.py
index 8bf134a3..dc0c302c 100644
--- a/xero_python/payrollau/models/employee.py
+++ b/xero_python/payrollau/models/employee.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/employee_status.py b/xero_python/payrollau/models/employee_status.py
index 64a1bc69..57ca95e3 100644
--- a/xero_python/payrollau/models/employee_status.py
+++ b/xero_python/payrollau/models/employee_status.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/employees.py b/xero_python/payrollau/models/employees.py
index ecc7603c..2ba1c101 100644
--- a/xero_python/payrollau/models/employees.py
+++ b/xero_python/payrollau/models/employees.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/employment_basis.py b/xero_python/payrollau/models/employment_basis.py
index d0abb524..c2520bc8 100644
--- a/xero_python/payrollau/models/employment_basis.py
+++ b/xero_python/payrollau/models/employment_basis.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/employment_termination_payment_type.py b/xero_python/payrollau/models/employment_termination_payment_type.py
index 9505b27f..cab8dfac 100644
--- a/xero_python/payrollau/models/employment_termination_payment_type.py
+++ b/xero_python/payrollau/models/employment_termination_payment_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/entitlement_final_pay_payout_type.py b/xero_python/payrollau/models/entitlement_final_pay_payout_type.py
index bf65d719..288c2fa6 100644
--- a/xero_python/payrollau/models/entitlement_final_pay_payout_type.py
+++ b/xero_python/payrollau/models/entitlement_final_pay_payout_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/home_address.py b/xero_python/payrollau/models/home_address.py
index f3b6ae5c..84dcdd7c 100644
--- a/xero_python/payrollau/models/home_address.py
+++ b/xero_python/payrollau/models/home_address.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_accrual_line.py b/xero_python/payrollau/models/leave_accrual_line.py
index 6b15f173..c9612981 100644
--- a/xero_python/payrollau/models/leave_accrual_line.py
+++ b/xero_python/payrollau/models/leave_accrual_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_application.py b/xero_python/payrollau/models/leave_application.py
index d27af8aa..4e26654c 100644
--- a/xero_python/payrollau/models/leave_application.py
+++ b/xero_python/payrollau/models/leave_application.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_applications.py b/xero_python/payrollau/models/leave_applications.py
index 05f0df7c..62ef76d5 100644
--- a/xero_python/payrollau/models/leave_applications.py
+++ b/xero_python/payrollau/models/leave_applications.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_balance.py b/xero_python/payrollau/models/leave_balance.py
index c6deb9de..ee15dd11 100644
--- a/xero_python/payrollau/models/leave_balance.py
+++ b/xero_python/payrollau/models/leave_balance.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_earnings_line.py b/xero_python/payrollau/models/leave_earnings_line.py
index 976c4ebc..b171ccfa 100644
--- a/xero_python/payrollau/models/leave_earnings_line.py
+++ b/xero_python/payrollau/models/leave_earnings_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_line.py b/xero_python/payrollau/models/leave_line.py
index 2baa1b42..a2353fe4 100644
--- a/xero_python/payrollau/models/leave_line.py
+++ b/xero_python/payrollau/models/leave_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_line_calculation_type.py b/xero_python/payrollau/models/leave_line_calculation_type.py
index 6006d90f..3492cc68 100644
--- a/xero_python/payrollau/models/leave_line_calculation_type.py
+++ b/xero_python/payrollau/models/leave_line_calculation_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_lines.py b/xero_python/payrollau/models/leave_lines.py
index f868d485..6785ba20 100644
--- a/xero_python/payrollau/models/leave_lines.py
+++ b/xero_python/payrollau/models/leave_lines.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_period.py b/xero_python/payrollau/models/leave_period.py
index 3da9d116..13f855a3 100644
--- a/xero_python/payrollau/models/leave_period.py
+++ b/xero_python/payrollau/models/leave_period.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_period_status.py b/xero_python/payrollau/models/leave_period_status.py
index a67aa966..6df55707 100644
--- a/xero_python/payrollau/models/leave_period_status.py
+++ b/xero_python/payrollau/models/leave_period_status.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_type.py b/xero_python/payrollau/models/leave_type.py
index 3df04249..f76952a1 100644
--- a/xero_python/payrollau/models/leave_type.py
+++ b/xero_python/payrollau/models/leave_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/leave_type_contribution_type.py b/xero_python/payrollau/models/leave_type_contribution_type.py
index 5a3e6ec9..94a1fd42 100644
--- a/xero_python/payrollau/models/leave_type_contribution_type.py
+++ b/xero_python/payrollau/models/leave_type_contribution_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/manual_tax_type.py b/xero_python/payrollau/models/manual_tax_type.py
index c4b68af7..1b049ce0 100644
--- a/xero_python/payrollau/models/manual_tax_type.py
+++ b/xero_python/payrollau/models/manual_tax_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/opening_balances.py b/xero_python/payrollau/models/opening_balances.py
index 5af7d60e..b5946184 100644
--- a/xero_python/payrollau/models/opening_balances.py
+++ b/xero_python/payrollau/models/opening_balances.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/pay_item.py b/xero_python/payrollau/models/pay_item.py
index f8811345..2dca29c9 100644
--- a/xero_python/payrollau/models/pay_item.py
+++ b/xero_python/payrollau/models/pay_item.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/pay_items.py b/xero_python/payrollau/models/pay_items.py
index 98e228dd..34a9e2a2 100644
--- a/xero_python/payrollau/models/pay_items.py
+++ b/xero_python/payrollau/models/pay_items.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/pay_run.py b/xero_python/payrollau/models/pay_run.py
index e2370348..1ad50cf9 100644
--- a/xero_python/payrollau/models/pay_run.py
+++ b/xero_python/payrollau/models/pay_run.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/pay_run_status.py b/xero_python/payrollau/models/pay_run_status.py
index 12c29c93..490e4bbe 100644
--- a/xero_python/payrollau/models/pay_run_status.py
+++ b/xero_python/payrollau/models/pay_run_status.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/pay_runs.py b/xero_python/payrollau/models/pay_runs.py
index 4194c464..a0b0afe9 100644
--- a/xero_python/payrollau/models/pay_runs.py
+++ b/xero_python/payrollau/models/pay_runs.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/pay_template.py b/xero_python/payrollau/models/pay_template.py
index 931bdf8d..baf808c5 100644
--- a/xero_python/payrollau/models/pay_template.py
+++ b/xero_python/payrollau/models/pay_template.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/payment_frequency_type.py b/xero_python/payrollau/models/payment_frequency_type.py
index 965aa9d3..2ed1ec77 100644
--- a/xero_python/payrollau/models/payment_frequency_type.py
+++ b/xero_python/payrollau/models/payment_frequency_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/payroll_calendar.py b/xero_python/payrollau/models/payroll_calendar.py
index 53673993..3780000f 100644
--- a/xero_python/payrollau/models/payroll_calendar.py
+++ b/xero_python/payrollau/models/payroll_calendar.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/payroll_calendars.py b/xero_python/payrollau/models/payroll_calendars.py
index 7333de7c..a0de465d 100644
--- a/xero_python/payrollau/models/payroll_calendars.py
+++ b/xero_python/payrollau/models/payroll_calendars.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/payslip.py b/xero_python/payrollau/models/payslip.py
index 6897b3d1..368cee4e 100644
--- a/xero_python/payrollau/models/payslip.py
+++ b/xero_python/payrollau/models/payslip.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/payslip_lines.py b/xero_python/payrollau/models/payslip_lines.py
index 5a375236..269477f4 100644
--- a/xero_python/payrollau/models/payslip_lines.py
+++ b/xero_python/payrollau/models/payslip_lines.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/payslip_object.py b/xero_python/payrollau/models/payslip_object.py
index 197da5b2..d4770145 100644
--- a/xero_python/payrollau/models/payslip_object.py
+++ b/xero_python/payrollau/models/payslip_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/payslip_summary.py b/xero_python/payrollau/models/payslip_summary.py
index 2558c5e0..d439a7c1 100644
--- a/xero_python/payrollau/models/payslip_summary.py
+++ b/xero_python/payrollau/models/payslip_summary.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/payslips.py b/xero_python/payrollau/models/payslips.py
index bbe00223..e01bf4ab 100644
--- a/xero_python/payrollau/models/payslips.py
+++ b/xero_python/payrollau/models/payslips.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/rate_type.py b/xero_python/payrollau/models/rate_type.py
index 25be175b..a789a1d6 100644
--- a/xero_python/payrollau/models/rate_type.py
+++ b/xero_python/payrollau/models/rate_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/reimbursement_line.py b/xero_python/payrollau/models/reimbursement_line.py
index 920ffa95..c30ed167 100644
--- a/xero_python/payrollau/models/reimbursement_line.py
+++ b/xero_python/payrollau/models/reimbursement_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/reimbursement_lines.py b/xero_python/payrollau/models/reimbursement_lines.py
index 9429f12c..c6e2402c 100644
--- a/xero_python/payrollau/models/reimbursement_lines.py
+++ b/xero_python/payrollau/models/reimbursement_lines.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/reimbursement_type.py b/xero_python/payrollau/models/reimbursement_type.py
index 44b594e7..bd2de096 100644
--- a/xero_python/payrollau/models/reimbursement_type.py
+++ b/xero_python/payrollau/models/reimbursement_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/residency_status.py b/xero_python/payrollau/models/residency_status.py
index dceb0d80..9bef0ae9 100644
--- a/xero_python/payrollau/models/residency_status.py
+++ b/xero_python/payrollau/models/residency_status.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/settings.py b/xero_python/payrollau/models/settings.py
index b6bcfc9b..11c00514 100644
--- a/xero_python/payrollau/models/settings.py
+++ b/xero_python/payrollau/models/settings.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/settings_object.py b/xero_python/payrollau/models/settings_object.py
index d75bbafa..90570722 100644
--- a/xero_python/payrollau/models/settings_object.py
+++ b/xero_python/payrollau/models/settings_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/settings_tracking_categories.py b/xero_python/payrollau/models/settings_tracking_categories.py
index 451ff941..ce2e9476 100644
--- a/xero_python/payrollau/models/settings_tracking_categories.py
+++ b/xero_python/payrollau/models/settings_tracking_categories.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/settings_tracking_categories_employee_groups.py b/xero_python/payrollau/models/settings_tracking_categories_employee_groups.py
index c41479ca..b2435c4f 100644
--- a/xero_python/payrollau/models/settings_tracking_categories_employee_groups.py
+++ b/xero_python/payrollau/models/settings_tracking_categories_employee_groups.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/settings_tracking_categories_timesheet_categories.py b/xero_python/payrollau/models/settings_tracking_categories_timesheet_categories.py
index 1c15a8bf..7582c476 100644
--- a/xero_python/payrollau/models/settings_tracking_categories_timesheet_categories.py
+++ b/xero_python/payrollau/models/settings_tracking_categories_timesheet_categories.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/state.py b/xero_python/payrollau/models/state.py
index 3b9924fd..b1489fc9 100644
--- a/xero_python/payrollau/models/state.py
+++ b/xero_python/payrollau/models/state.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/super_fund.py b/xero_python/payrollau/models/super_fund.py
index 0f07d49b..4a5054ec 100644
--- a/xero_python/payrollau/models/super_fund.py
+++ b/xero_python/payrollau/models/super_fund.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/super_fund_product.py b/xero_python/payrollau/models/super_fund_product.py
index 033925b9..558d7fef 100644
--- a/xero_python/payrollau/models/super_fund_product.py
+++ b/xero_python/payrollau/models/super_fund_product.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/super_fund_products.py b/xero_python/payrollau/models/super_fund_products.py
index a3793238..cf929910 100644
--- a/xero_python/payrollau/models/super_fund_products.py
+++ b/xero_python/payrollau/models/super_fund_products.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/super_fund_type.py b/xero_python/payrollau/models/super_fund_type.py
index 34f1d3d8..d8676b2c 100644
--- a/xero_python/payrollau/models/super_fund_type.py
+++ b/xero_python/payrollau/models/super_fund_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/super_funds.py b/xero_python/payrollau/models/super_funds.py
index c148a1d0..9625a002 100644
--- a/xero_python/payrollau/models/super_funds.py
+++ b/xero_python/payrollau/models/super_funds.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/super_line.py b/xero_python/payrollau/models/super_line.py
index 1f1154fe..9e82488c 100644
--- a/xero_python/payrollau/models/super_line.py
+++ b/xero_python/payrollau/models/super_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/super_membership.py b/xero_python/payrollau/models/super_membership.py
index 7afc94a1..76f77dd1 100644
--- a/xero_python/payrollau/models/super_membership.py
+++ b/xero_python/payrollau/models/super_membership.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/superannuation_calculation_type.py b/xero_python/payrollau/models/superannuation_calculation_type.py
index 9b6451d5..2a63c619 100644
--- a/xero_python/payrollau/models/superannuation_calculation_type.py
+++ b/xero_python/payrollau/models/superannuation_calculation_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/superannuation_contribution_type.py b/xero_python/payrollau/models/superannuation_contribution_type.py
index 8a3977b7..73a296e5 100644
--- a/xero_python/payrollau/models/superannuation_contribution_type.py
+++ b/xero_python/payrollau/models/superannuation_contribution_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/superannuation_line.py b/xero_python/payrollau/models/superannuation_line.py
index 5a57d07f..16f6eedd 100644
--- a/xero_python/payrollau/models/superannuation_line.py
+++ b/xero_python/payrollau/models/superannuation_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/tax_declaration.py b/xero_python/payrollau/models/tax_declaration.py
index b9cc5756..bebeb6cb 100644
--- a/xero_python/payrollau/models/tax_declaration.py
+++ b/xero_python/payrollau/models/tax_declaration.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
@@ -107,7 +107,8 @@ def __init__(
         self._updated_date_utc = None
         self.discriminator = None
 
-        self.employee_id = employee_id
+        if employee_id is not None:
+            self.employee_id = employee_id
         if employment_basis is not None:
             self.employment_basis = employment_basis
         if tfn_exemption_type is not None:
@@ -165,10 +166,6 @@ def employee_id(self, employee_id):
         :param employee_id: The employee_id of this TaxDeclaration.  # noqa: E501
         :type: str
         """
-        if employee_id is None:
-            raise ValueError(
-                "Invalid value for `employee_id`, must not be `None`"
-            )  # noqa: E501
 
         self._employee_id = employee_id
 
diff --git a/xero_python/payrollau/models/tax_line.py b/xero_python/payrollau/models/tax_line.py
index 1860b7eb..086a0a87 100644
--- a/xero_python/payrollau/models/tax_line.py
+++ b/xero_python/payrollau/models/tax_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/tfn_exemption_type.py b/xero_python/payrollau/models/tfn_exemption_type.py
index 8e049cce..702b5aa5 100644
--- a/xero_python/payrollau/models/tfn_exemption_type.py
+++ b/xero_python/payrollau/models/tfn_exemption_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/timesheet.py b/xero_python/payrollau/models/timesheet.py
index 6f87426c..bc9e3e8e 100644
--- a/xero_python/payrollau/models/timesheet.py
+++ b/xero_python/payrollau/models/timesheet.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/timesheet_line.py b/xero_python/payrollau/models/timesheet_line.py
index cfee35c6..dcbea849 100644
--- a/xero_python/payrollau/models/timesheet_line.py
+++ b/xero_python/payrollau/models/timesheet_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/timesheet_object.py b/xero_python/payrollau/models/timesheet_object.py
index 725304eb..34df00f2 100644
--- a/xero_python/payrollau/models/timesheet_object.py
+++ b/xero_python/payrollau/models/timesheet_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/timesheet_status.py b/xero_python/payrollau/models/timesheet_status.py
index 37fc4873..57de3bfa 100644
--- a/xero_python/payrollau/models/timesheet_status.py
+++ b/xero_python/payrollau/models/timesheet_status.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/timesheets.py b/xero_python/payrollau/models/timesheets.py
index 88ee6577..63b7648a 100644
--- a/xero_python/payrollau/models/timesheets.py
+++ b/xero_python/payrollau/models/timesheets.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrollau/models/validation_error.py b/xero_python/payrollau/models/validation_error.py
index 64235041..952efa3f 100644
--- a/xero_python/payrollau/models/validation_error.py
+++ b/xero_python/payrollau/models/validation_error.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in Australia region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/__init__.py b/xero_python/payrolluk/__init__.py
index c69d053e..1ccc802e 100644
--- a/xero_python/payrolluk/__init__.py
+++ b/xero_python/payrolluk/__init__.py
@@ -7,7 +7,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/api/payroll_uk_api.py b/xero_python/payrolluk/api/payroll_uk_api.py
index 6ae83522..3dad029f 100644
--- a/xero_python/payrolluk/api/payroll_uk_api.py
+++ b/xero_python/payrolluk/api/payroll_uk_api.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/__init__.py b/xero_python/payrolluk/models/__init__.py
index cebc9768..580d17ab 100644
--- a/xero_python/payrolluk/models/__init__.py
+++ b/xero_python/payrolluk/models/__init__.py
@@ -6,7 +6,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/account.py b/xero_python/payrolluk/models/account.py
index 1ed5d6f0..00885065 100644
--- a/xero_python/payrolluk/models/account.py
+++ b/xero_python/payrolluk/models/account.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/accounts.py b/xero_python/payrolluk/models/accounts.py
index 717c20ee..78853471 100644
--- a/xero_python/payrolluk/models/accounts.py
+++ b/xero_python/payrolluk/models/accounts.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/address.py b/xero_python/payrolluk/models/address.py
index 7cb8a05e..96d9ad52 100644
--- a/xero_python/payrolluk/models/address.py
+++ b/xero_python/payrolluk/models/address.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/bank_account.py b/xero_python/payrolluk/models/bank_account.py
index 88a79ddd..ed781eca 100644
--- a/xero_python/payrolluk/models/bank_account.py
+++ b/xero_python/payrolluk/models/bank_account.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/benefit.py b/xero_python/payrolluk/models/benefit.py
index 85e2c81c..4033eba7 100644
--- a/xero_python/payrolluk/models/benefit.py
+++ b/xero_python/payrolluk/models/benefit.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/benefit_line.py b/xero_python/payrolluk/models/benefit_line.py
index f8b350d6..bc42c7ba 100644
--- a/xero_python/payrolluk/models/benefit_line.py
+++ b/xero_python/payrolluk/models/benefit_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/benefit_object.py b/xero_python/payrolluk/models/benefit_object.py
index 81a0e536..eaef1c72 100644
--- a/xero_python/payrolluk/models/benefit_object.py
+++ b/xero_python/payrolluk/models/benefit_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/benefits.py b/xero_python/payrolluk/models/benefits.py
index 23eef772..a49b3dd4 100644
--- a/xero_python/payrolluk/models/benefits.py
+++ b/xero_python/payrolluk/models/benefits.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/court_order_line.py b/xero_python/payrolluk/models/court_order_line.py
index 431c6457..2969563d 100644
--- a/xero_python/payrolluk/models/court_order_line.py
+++ b/xero_python/payrolluk/models/court_order_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/deduction.py b/xero_python/payrolluk/models/deduction.py
index b8cfa442..6898de7b 100644
--- a/xero_python/payrolluk/models/deduction.py
+++ b/xero_python/payrolluk/models/deduction.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/deduction_line.py b/xero_python/payrolluk/models/deduction_line.py
index 32d1b516..64f14447 100644
--- a/xero_python/payrolluk/models/deduction_line.py
+++ b/xero_python/payrolluk/models/deduction_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/deduction_object.py b/xero_python/payrolluk/models/deduction_object.py
index 60cb9525..6a30bc9e 100644
--- a/xero_python/payrolluk/models/deduction_object.py
+++ b/xero_python/payrolluk/models/deduction_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/deductions.py b/xero_python/payrolluk/models/deductions.py
index 0f8d6797..9f5f1cd6 100644
--- a/xero_python/payrolluk/models/deductions.py
+++ b/xero_python/payrolluk/models/deductions.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_line.py b/xero_python/payrolluk/models/earnings_line.py
index c92049bd..6adc0406 100644
--- a/xero_python/payrolluk/models/earnings_line.py
+++ b/xero_python/payrolluk/models/earnings_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_order.py b/xero_python/payrolluk/models/earnings_order.py
index fa2f8738..1c38cac4 100644
--- a/xero_python/payrolluk/models/earnings_order.py
+++ b/xero_python/payrolluk/models/earnings_order.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_order_object.py b/xero_python/payrolluk/models/earnings_order_object.py
index 95fd94f2..aa765231 100644
--- a/xero_python/payrolluk/models/earnings_order_object.py
+++ b/xero_python/payrolluk/models/earnings_order_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_orders.py b/xero_python/payrolluk/models/earnings_orders.py
index fa4a5380..027ab2d9 100644
--- a/xero_python/payrolluk/models/earnings_orders.py
+++ b/xero_python/payrolluk/models/earnings_orders.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_rate.py b/xero_python/payrolluk/models/earnings_rate.py
index 6e9a3417..9fd4cf68 100644
--- a/xero_python/payrolluk/models/earnings_rate.py
+++ b/xero_python/payrolluk/models/earnings_rate.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_rate_object.py b/xero_python/payrolluk/models/earnings_rate_object.py
index bd1e920d..49156dc5 100644
--- a/xero_python/payrolluk/models/earnings_rate_object.py
+++ b/xero_python/payrolluk/models/earnings_rate_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_rates.py b/xero_python/payrolluk/models/earnings_rates.py
index 0f48fb66..700d36c8 100644
--- a/xero_python/payrolluk/models/earnings_rates.py
+++ b/xero_python/payrolluk/models/earnings_rates.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_template.py b/xero_python/payrolluk/models/earnings_template.py
index 204c08e1..5373e47d 100644
--- a/xero_python/payrolluk/models/earnings_template.py
+++ b/xero_python/payrolluk/models/earnings_template.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/earnings_template_object.py b/xero_python/payrolluk/models/earnings_template_object.py
index a92d87e6..677d05e4 100644
--- a/xero_python/payrolluk/models/earnings_template_object.py
+++ b/xero_python/payrolluk/models/earnings_template_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee.py b/xero_python/payrolluk/models/employee.py
index 063ac18e..6e5ebe60 100644
--- a/xero_python/payrolluk/models/employee.py
+++ b/xero_python/payrolluk/models/employee.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_leave.py b/xero_python/payrolluk/models/employee_leave.py
index 516278e0..8a19d848 100644
--- a/xero_python/payrolluk/models/employee_leave.py
+++ b/xero_python/payrolluk/models/employee_leave.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_leave_balance.py b/xero_python/payrolluk/models/employee_leave_balance.py
index d7528f8b..492c2b32 100644
--- a/xero_python/payrolluk/models/employee_leave_balance.py
+++ b/xero_python/payrolluk/models/employee_leave_balance.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_leave_balances.py b/xero_python/payrolluk/models/employee_leave_balances.py
index 31158064..4e96d1c5 100644
--- a/xero_python/payrolluk/models/employee_leave_balances.py
+++ b/xero_python/payrolluk/models/employee_leave_balances.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_leave_object.py b/xero_python/payrolluk/models/employee_leave_object.py
index cd94e433..d9c1d752 100644
--- a/xero_python/payrolluk/models/employee_leave_object.py
+++ b/xero_python/payrolluk/models/employee_leave_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_leave_type.py b/xero_python/payrolluk/models/employee_leave_type.py
index 5aa41dff..21f0cc30 100644
--- a/xero_python/payrolluk/models/employee_leave_type.py
+++ b/xero_python/payrolluk/models/employee_leave_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_leave_type_object.py b/xero_python/payrolluk/models/employee_leave_type_object.py
index 4a50faf9..55d20471 100644
--- a/xero_python/payrolluk/models/employee_leave_type_object.py
+++ b/xero_python/payrolluk/models/employee_leave_type_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_leave_types.py b/xero_python/payrolluk/models/employee_leave_types.py
index eb867b10..43cb7427 100644
--- a/xero_python/payrolluk/models/employee_leave_types.py
+++ b/xero_python/payrolluk/models/employee_leave_types.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_leaves.py b/xero_python/payrolluk/models/employee_leaves.py
index 5ab2789e..600ae941 100644
--- a/xero_python/payrolluk/models/employee_leaves.py
+++ b/xero_python/payrolluk/models/employee_leaves.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_object.py b/xero_python/payrolluk/models/employee_object.py
index c42ed0fa..312aec93 100644
--- a/xero_python/payrolluk/models/employee_object.py
+++ b/xero_python/payrolluk/models/employee_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_opening_balances.py b/xero_python/payrolluk/models/employee_opening_balances.py
index a571b66b..c969fe30 100644
--- a/xero_python/payrolluk/models/employee_opening_balances.py
+++ b/xero_python/payrolluk/models/employee_opening_balances.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_opening_balances_object.py b/xero_python/payrolluk/models/employee_opening_balances_object.py
index fbfe8758..7499ff96 100644
--- a/xero_python/payrolluk/models/employee_opening_balances_object.py
+++ b/xero_python/payrolluk/models/employee_opening_balances_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_pay_template.py b/xero_python/payrolluk/models/employee_pay_template.py
index ec42e96a..f0f61da8 100644
--- a/xero_python/payrolluk/models/employee_pay_template.py
+++ b/xero_python/payrolluk/models/employee_pay_template.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_pay_template_object.py b/xero_python/payrolluk/models/employee_pay_template_object.py
index e3b01033..4054ee31 100644
--- a/xero_python/payrolluk/models/employee_pay_template_object.py
+++ b/xero_python/payrolluk/models/employee_pay_template_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_pay_templates.py b/xero_python/payrolluk/models/employee_pay_templates.py
index ccde3ae8..0a66ea74 100644
--- a/xero_python/payrolluk/models/employee_pay_templates.py
+++ b/xero_python/payrolluk/models/employee_pay_templates.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_statutory_leave_balance.py b/xero_python/payrolluk/models/employee_statutory_leave_balance.py
index 6339d89c..e48e69ba 100644
--- a/xero_python/payrolluk/models/employee_statutory_leave_balance.py
+++ b/xero_python/payrolluk/models/employee_statutory_leave_balance.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_statutory_leave_balance_object.py b/xero_python/payrolluk/models/employee_statutory_leave_balance_object.py
index 5da4c815..398ec0b8 100644
--- a/xero_python/payrolluk/models/employee_statutory_leave_balance_object.py
+++ b/xero_python/payrolluk/models/employee_statutory_leave_balance_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_statutory_leave_summary.py b/xero_python/payrolluk/models/employee_statutory_leave_summary.py
index 9b442a01..da8e265f 100644
--- a/xero_python/payrolluk/models/employee_statutory_leave_summary.py
+++ b/xero_python/payrolluk/models/employee_statutory_leave_summary.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_statutory_leaves_summaries.py b/xero_python/payrolluk/models/employee_statutory_leaves_summaries.py
index 126ac2b8..683c7598 100644
--- a/xero_python/payrolluk/models/employee_statutory_leaves_summaries.py
+++ b/xero_python/payrolluk/models/employee_statutory_leaves_summaries.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_statutory_sick_leave.py b/xero_python/payrolluk/models/employee_statutory_sick_leave.py
index f88d6061..fdc326fe 100644
--- a/xero_python/payrolluk/models/employee_statutory_sick_leave.py
+++ b/xero_python/payrolluk/models/employee_statutory_sick_leave.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_statutory_sick_leave_object.py b/xero_python/payrolluk/models/employee_statutory_sick_leave_object.py
index 240a12b4..6ebabf6a 100644
--- a/xero_python/payrolluk/models/employee_statutory_sick_leave_object.py
+++ b/xero_python/payrolluk/models/employee_statutory_sick_leave_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_statutory_sick_leaves.py b/xero_python/payrolluk/models/employee_statutory_sick_leaves.py
index 047abfa5..30f59a42 100644
--- a/xero_python/payrolluk/models/employee_statutory_sick_leaves.py
+++ b/xero_python/payrolluk/models/employee_statutory_sick_leaves.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_tax.py b/xero_python/payrolluk/models/employee_tax.py
index 49ebd101..0b769f16 100644
--- a/xero_python/payrolluk/models/employee_tax.py
+++ b/xero_python/payrolluk/models/employee_tax.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employee_tax_object.py b/xero_python/payrolluk/models/employee_tax_object.py
index 31ddc8b9..ce7866ee 100644
--- a/xero_python/payrolluk/models/employee_tax_object.py
+++ b/xero_python/payrolluk/models/employee_tax_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employees.py b/xero_python/payrolluk/models/employees.py
index a2e54c9f..990e1df2 100644
--- a/xero_python/payrolluk/models/employees.py
+++ b/xero_python/payrolluk/models/employees.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employment.py b/xero_python/payrolluk/models/employment.py
index 0001fae7..e1c1cc25 100644
--- a/xero_python/payrolluk/models/employment.py
+++ b/xero_python/payrolluk/models/employment.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/employment_object.py b/xero_python/payrolluk/models/employment_object.py
index a66dcdc2..0431f806 100644
--- a/xero_python/payrolluk/models/employment_object.py
+++ b/xero_python/payrolluk/models/employment_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/invalid_field.py b/xero_python/payrolluk/models/invalid_field.py
index 474762d4..4f405ccf 100644
--- a/xero_python/payrolluk/models/invalid_field.py
+++ b/xero_python/payrolluk/models/invalid_field.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/leave_accrual_line.py b/xero_python/payrolluk/models/leave_accrual_line.py
index 39be6c53..0fb22bd3 100644
--- a/xero_python/payrolluk/models/leave_accrual_line.py
+++ b/xero_python/payrolluk/models/leave_accrual_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/leave_earnings_line.py b/xero_python/payrolluk/models/leave_earnings_line.py
index 6d4c2dc6..94ff7406 100644
--- a/xero_python/payrolluk/models/leave_earnings_line.py
+++ b/xero_python/payrolluk/models/leave_earnings_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/leave_period.py b/xero_python/payrolluk/models/leave_period.py
index 6092c0f5..ce9e7603 100644
--- a/xero_python/payrolluk/models/leave_period.py
+++ b/xero_python/payrolluk/models/leave_period.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/leave_periods.py b/xero_python/payrolluk/models/leave_periods.py
index 3834cade..5044a9cb 100644
--- a/xero_python/payrolluk/models/leave_periods.py
+++ b/xero_python/payrolluk/models/leave_periods.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/leave_type.py b/xero_python/payrolluk/models/leave_type.py
index d5952dd1..7edb1b34 100644
--- a/xero_python/payrolluk/models/leave_type.py
+++ b/xero_python/payrolluk/models/leave_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/leave_type_object.py b/xero_python/payrolluk/models/leave_type_object.py
index 6fa3ca1e..ff568412 100644
--- a/xero_python/payrolluk/models/leave_type_object.py
+++ b/xero_python/payrolluk/models/leave_type_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/leave_types.py b/xero_python/payrolluk/models/leave_types.py
index f9a3f069..7b43aa7a 100644
--- a/xero_python/payrolluk/models/leave_types.py
+++ b/xero_python/payrolluk/models/leave_types.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/pagination.py b/xero_python/payrolluk/models/pagination.py
index 7d2a305a..55c86b72 100644
--- a/xero_python/payrolluk/models/pagination.py
+++ b/xero_python/payrolluk/models/pagination.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/pay_run.py b/xero_python/payrolluk/models/pay_run.py
index 401204d7..7569831d 100644
--- a/xero_python/payrolluk/models/pay_run.py
+++ b/xero_python/payrolluk/models/pay_run.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/pay_run_calendar.py b/xero_python/payrolluk/models/pay_run_calendar.py
index 0c85766a..fdbba97f 100644
--- a/xero_python/payrolluk/models/pay_run_calendar.py
+++ b/xero_python/payrolluk/models/pay_run_calendar.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/pay_run_calendar_object.py b/xero_python/payrolluk/models/pay_run_calendar_object.py
index 2bb931ca..28a5bdac 100644
--- a/xero_python/payrolluk/models/pay_run_calendar_object.py
+++ b/xero_python/payrolluk/models/pay_run_calendar_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/pay_run_calendars.py b/xero_python/payrolluk/models/pay_run_calendars.py
index b4add0c5..30e08fc5 100644
--- a/xero_python/payrolluk/models/pay_run_calendars.py
+++ b/xero_python/payrolluk/models/pay_run_calendars.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/pay_run_object.py b/xero_python/payrolluk/models/pay_run_object.py
index a689ff70..ad6c85ed 100644
--- a/xero_python/payrolluk/models/pay_run_object.py
+++ b/xero_python/payrolluk/models/pay_run_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/pay_runs.py b/xero_python/payrolluk/models/pay_runs.py
index 5c3045f9..5fe46cb5 100644
--- a/xero_python/payrolluk/models/pay_runs.py
+++ b/xero_python/payrolluk/models/pay_runs.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/payment_line.py b/xero_python/payrolluk/models/payment_line.py
index 063564f2..537e7fa1 100644
--- a/xero_python/payrolluk/models/payment_line.py
+++ b/xero_python/payrolluk/models/payment_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/payment_method.py b/xero_python/payrolluk/models/payment_method.py
index 9ecdf79d..ca4fd99b 100644
--- a/xero_python/payrolluk/models/payment_method.py
+++ b/xero_python/payrolluk/models/payment_method.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/payment_method_object.py b/xero_python/payrolluk/models/payment_method_object.py
index 3cbfe19b..b34dbe51 100644
--- a/xero_python/payrolluk/models/payment_method_object.py
+++ b/xero_python/payrolluk/models/payment_method_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/payslip.py b/xero_python/payrolluk/models/payslip.py
index eb2963c4..84f22e38 100644
--- a/xero_python/payrolluk/models/payslip.py
+++ b/xero_python/payrolluk/models/payslip.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/payslip_object.py b/xero_python/payrolluk/models/payslip_object.py
index ccd29b8b..b4f0b61d 100644
--- a/xero_python/payrolluk/models/payslip_object.py
+++ b/xero_python/payrolluk/models/payslip_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/payslips.py b/xero_python/payrolluk/models/payslips.py
index ac98888b..5986920e 100644
--- a/xero_python/payrolluk/models/payslips.py
+++ b/xero_python/payrolluk/models/payslips.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/problem.py b/xero_python/payrolluk/models/problem.py
index b9d5656d..ba4f234f 100644
--- a/xero_python/payrolluk/models/problem.py
+++ b/xero_python/payrolluk/models/problem.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/reimbursement.py b/xero_python/payrolluk/models/reimbursement.py
index 2e02a4de..1d6552ce 100644
--- a/xero_python/payrolluk/models/reimbursement.py
+++ b/xero_python/payrolluk/models/reimbursement.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/reimbursement_line.py b/xero_python/payrolluk/models/reimbursement_line.py
index 24c4e68b..469f9eff 100644
--- a/xero_python/payrolluk/models/reimbursement_line.py
+++ b/xero_python/payrolluk/models/reimbursement_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/reimbursement_object.py b/xero_python/payrolluk/models/reimbursement_object.py
index e7571016..b6ac458c 100644
--- a/xero_python/payrolluk/models/reimbursement_object.py
+++ b/xero_python/payrolluk/models/reimbursement_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/reimbursements.py b/xero_python/payrolluk/models/reimbursements.py
index 701f3bdb..b728ec1b 100644
--- a/xero_python/payrolluk/models/reimbursements.py
+++ b/xero_python/payrolluk/models/reimbursements.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/salary_and_wage.py b/xero_python/payrolluk/models/salary_and_wage.py
index e16f5a52..f652d2c9 100644
--- a/xero_python/payrolluk/models/salary_and_wage.py
+++ b/xero_python/payrolluk/models/salary_and_wage.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/salary_and_wage_object.py b/xero_python/payrolluk/models/salary_and_wage_object.py
index 8df2383c..339c1132 100644
--- a/xero_python/payrolluk/models/salary_and_wage_object.py
+++ b/xero_python/payrolluk/models/salary_and_wage_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/salary_and_wages.py b/xero_python/payrolluk/models/salary_and_wages.py
index e3fae78f..07780452 100644
--- a/xero_python/payrolluk/models/salary_and_wages.py
+++ b/xero_python/payrolluk/models/salary_and_wages.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/settings.py b/xero_python/payrolluk/models/settings.py
index 2d294947..e4de8b3c 100644
--- a/xero_python/payrolluk/models/settings.py
+++ b/xero_python/payrolluk/models/settings.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/statutory_deduction.py b/xero_python/payrolluk/models/statutory_deduction.py
index 6f7bd951..0bbe0673 100644
--- a/xero_python/payrolluk/models/statutory_deduction.py
+++ b/xero_python/payrolluk/models/statutory_deduction.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/statutory_deduction_category.py b/xero_python/payrolluk/models/statutory_deduction_category.py
index 1355ca7a..25a46183 100644
--- a/xero_python/payrolluk/models/statutory_deduction_category.py
+++ b/xero_python/payrolluk/models/statutory_deduction_category.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/tax_line.py b/xero_python/payrolluk/models/tax_line.py
index 36afb45e..2bf2e234 100644
--- a/xero_python/payrolluk/models/tax_line.py
+++ b/xero_python/payrolluk/models/tax_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/timesheet.py b/xero_python/payrolluk/models/timesheet.py
index 8373d868..43e5ac36 100644
--- a/xero_python/payrolluk/models/timesheet.py
+++ b/xero_python/payrolluk/models/timesheet.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/timesheet_earnings_line.py b/xero_python/payrolluk/models/timesheet_earnings_line.py
index 87594ff0..03eacd1b 100644
--- a/xero_python/payrolluk/models/timesheet_earnings_line.py
+++ b/xero_python/payrolluk/models/timesheet_earnings_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/timesheet_line.py b/xero_python/payrolluk/models/timesheet_line.py
index ce2a89ab..8d5c0798 100644
--- a/xero_python/payrolluk/models/timesheet_line.py
+++ b/xero_python/payrolluk/models/timesheet_line.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/timesheet_line_object.py b/xero_python/payrolluk/models/timesheet_line_object.py
index 62a161e3..1bd09b12 100644
--- a/xero_python/payrolluk/models/timesheet_line_object.py
+++ b/xero_python/payrolluk/models/timesheet_line_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/timesheet_object.py b/xero_python/payrolluk/models/timesheet_object.py
index 19d095c5..87469708 100644
--- a/xero_python/payrolluk/models/timesheet_object.py
+++ b/xero_python/payrolluk/models/timesheet_object.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/timesheets.py b/xero_python/payrolluk/models/timesheets.py
index d19d4e3d..52dcac74 100644
--- a/xero_python/payrolluk/models/timesheets.py
+++ b/xero_python/payrolluk/models/timesheets.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/tracking_categories.py b/xero_python/payrolluk/models/tracking_categories.py
index 266acbf3..98180cca 100644
--- a/xero_python/payrolluk/models/tracking_categories.py
+++ b/xero_python/payrolluk/models/tracking_categories.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/payrolluk/models/tracking_category.py b/xero_python/payrolluk/models/tracking_category.py
index 8e8e2e55..647ab380 100644
--- a/xero_python/payrolluk/models/tracking_category.py
+++ b/xero_python/payrolluk/models/tracking_category.py
@@ -5,7 +5,7 @@
 
     This is the Xero Payroll API for orgs in the UK region.  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/__init__.py b/xero_python/project/__init__.py
index ce2c94ae..87f8a938 100644
--- a/xero_python/project/__init__.py
+++ b/xero_python/project/__init__.py
@@ -7,7 +7,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/api/project_api.py b/xero_python/project/api/project_api.py
index d335f92d..b7da08e3 100644
--- a/xero_python/project/api/project_api.py
+++ b/xero_python/project/api/project_api.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/__init__.py b/xero_python/project/models/__init__.py
index 14bf65de..ce4ac56e 100644
--- a/xero_python/project/models/__init__.py
+++ b/xero_python/project/models/__init__.py
@@ -6,7 +6,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/amount.py b/xero_python/project/models/amount.py
index 33291d1e..5834a262 100644
--- a/xero_python/project/models/amount.py
+++ b/xero_python/project/models/amount.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/charge_type.py b/xero_python/project/models/charge_type.py
index b0484f26..3973bdd2 100644
--- a/xero_python/project/models/charge_type.py
+++ b/xero_python/project/models/charge_type.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/currency_code.py b/xero_python/project/models/currency_code.py
index 13a4ac79..eee27c94 100644
--- a/xero_python/project/models/currency_code.py
+++ b/xero_python/project/models/currency_code.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/error.py b/xero_python/project/models/error.py
index c7e33f08..a24c6e80 100644
--- a/xero_python/project/models/error.py
+++ b/xero_python/project/models/error.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/pagination.py b/xero_python/project/models/pagination.py
index 4a0c38e1..c35c47b6 100644
--- a/xero_python/project/models/pagination.py
+++ b/xero_python/project/models/pagination.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/project.py b/xero_python/project/models/project.py
index a77df2db..00122760 100644
--- a/xero_python/project/models/project.py
+++ b/xero_python/project/models/project.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/project_create_or_update.py b/xero_python/project/models/project_create_or_update.py
index 4d01e034..a915c345 100644
--- a/xero_python/project/models/project_create_or_update.py
+++ b/xero_python/project/models/project_create_or_update.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/project_patch.py b/xero_python/project/models/project_patch.py
index 04c83faf..4261a79e 100644
--- a/xero_python/project/models/project_patch.py
+++ b/xero_python/project/models/project_patch.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/project_status.py b/xero_python/project/models/project_status.py
index 183e0a0e..aab3d842 100644
--- a/xero_python/project/models/project_status.py
+++ b/xero_python/project/models/project_status.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/project_user.py b/xero_python/project/models/project_user.py
index 431e2457..44621f6f 100644
--- a/xero_python/project/models/project_user.py
+++ b/xero_python/project/models/project_user.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/project_users.py b/xero_python/project/models/project_users.py
index 6d346c71..9ed1ff5b 100644
--- a/xero_python/project/models/project_users.py
+++ b/xero_python/project/models/project_users.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/projects.py b/xero_python/project/models/projects.py
index 33a59f8b..8054f333 100644
--- a/xero_python/project/models/projects.py
+++ b/xero_python/project/models/projects.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/task.py b/xero_python/project/models/task.py
index 2739fc00..2113f89a 100644
--- a/xero_python/project/models/task.py
+++ b/xero_python/project/models/task.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/task_create_or_update.py b/xero_python/project/models/task_create_or_update.py
index 6423dec6..eff57491 100644
--- a/xero_python/project/models/task_create_or_update.py
+++ b/xero_python/project/models/task_create_or_update.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/tasks.py b/xero_python/project/models/tasks.py
index c9ee0c62..26093680 100644
--- a/xero_python/project/models/tasks.py
+++ b/xero_python/project/models/tasks.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/time_entries.py b/xero_python/project/models/time_entries.py
index 092d8128..717ea52f 100644
--- a/xero_python/project/models/time_entries.py
+++ b/xero_python/project/models/time_entries.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/time_entry.py b/xero_python/project/models/time_entry.py
index 45f6beda..01914102 100644
--- a/xero_python/project/models/time_entry.py
+++ b/xero_python/project/models/time_entry.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/project/models/time_entry_create_or_update.py b/xero_python/project/models/time_entry_create_or_update.py
index 3b585b2e..f649c467 100644
--- a/xero_python/project/models/time_entry_create_or_update.py
+++ b/xero_python/project/models/time_entry_create_or_update.py
@@ -5,7 +5,7 @@
 
     This is the Xero Projects API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """
diff --git a/xero_python/rest.py b/xero_python/rest.py
index b89dd5fa..b08e2aa1 100644
--- a/xero_python/rest.py
+++ b/xero_python/rest.py
@@ -5,7 +5,7 @@
 
     This specifing endpoints related to managing authentication tokens and identity for Xero API  # noqa: E501
 
-    OpenAPI spec version: 2.3.3
+    OpenAPI spec version: 2.3.4
     Contact: api@xero.com
     Generated by: https://openapi-generator.tech
 """