diff --git a/src/pyipp/serializer.py b/src/pyipp/serializer.py
index 80ca2a436..2563c239b 100644
--- a/src/pyipp/serializer.py
+++ b/src/pyipp/serializer.py
@@ -1,6 +1,7 @@
 """Data Serializer for IPP."""
 from __future__ import annotations
 
+import logging
 import random
 import struct
 from typing import Any
@@ -9,8 +10,10 @@
 from .enums import IppTag
 from .tags import ATTRIBUTE_TAG_MAP
 
+_LOGGER = logging.getLogger(__name__)
 
-def construct_attibute_values(tag: IppTag, value: Any) -> bytes:
+
+def construct_attribute_values(tag: IppTag, value: Any) -> bytes:
     """Serialize the attribute values into IPP format."""
     byte_str = b""
 
@@ -32,13 +35,11 @@ def construct_attribute(name: str, value: Any, tag: IppTag | None = None) -> byt
     """Serialize the attribute into IPP format."""
     byte_str = b""
 
-    if not tag:
-        tag = ATTRIBUTE_TAG_MAP.get(name, None)
-
-    if not tag:
+    if not tag and not (tag := ATTRIBUTE_TAG_MAP.get(name, None)):
+        _LOGGER.debug("Unknown IppTag for %s", name)
         return byte_str
 
-    if isinstance(value, (list, tuple, set)):
+    if isinstance(value, (list, tuple, set)):  # noqa: UP038
         for index, list_value in enumerate(value):
             byte_str += struct.pack(">b", tag.value)
 
@@ -48,14 +49,14 @@ def construct_attribute(name: str, value: Any, tag: IppTag | None = None) -> byt
             else:
                 byte_str += struct.pack(">h", 0)
 
-            byte_str += construct_attibute_values(tag, list_value)
+            byte_str += construct_attribute_values(tag, list_value)
     else:
         byte_str = struct.pack(">b", tag.value)
 
         byte_str += struct.pack(">h", len(name))
         byte_str += name.encode("utf-8")
 
-        byte_str += construct_attibute_values(tag, value)
+        byte_str += construct_attribute_values(tag, value)
 
     return byte_str
 
diff --git a/src/pyipp/tags.py b/src/pyipp/tags.py
index f1e6d2d46..9d03fba17 100644
--- a/src/pyipp/tags.py
+++ b/src/pyipp/tags.py
@@ -13,13 +13,22 @@
     "document-format": IppTag.MIME_TYPE,
     "last-document": IppTag.BOOLEAN,
     "copies": IppTag.INTEGER,
+    "job-cancel-after": IppTag.INTEGER,
     "job-hold-until": IppTag.KEYWORD,
+    "job-k-octets": IppTag.INTEGER,
+    "job-impressions-completed": IppTag.INTEGER,
+    "job-media-sheets-completed": IppTag.INTEGER,
+    "job-originating-host-name": IppTag.NAME,
+    "job-originating-user-name": IppTag.NAME,
+    "job-printer-state-message": IppTag.TEXT,
+    "job-printer-state-reasons": IppTag.KEYWORD,
     "job-priority": IppTag.INTEGER,
     "number-up": IppTag.INTEGER,
     "job-sheets": IppTag.NAME,
     "job-uri": IppTag.URI,
     "job-state": IppTag.ENUM,
     "job-state-reasons": IppTag.KEYWORD,
+    "job-uuid": IppTag.URI,
     "requested-attributes": IppTag.KEYWORD,
     "member-uris": IppTag.URI,
     "operations-supported": IppTag.ENUM,
@@ -27,7 +36,10 @@
     "printer-state-reason": IppTag.KEYWORD,
     "printer-is-shared": IppTag.BOOLEAN,
     "printer-error-policy": IppTag.NAME,
+    "printer-geo-location": IppTag.URI,
     "printer-info": IppTag.TEXT,
+    "printer-organization": IppTag.TEXT,
+    "printer-organizational-unit": IppTag.TEXT,
     "which-jobs": IppTag.KEYWORD,
     "my-jobs": IppTag.BOOLEAN,
     "purge-jobs": IppTag.BOOLEAN,
@@ -44,4 +56,7 @@
     "finishings": IppTag.ENUM,
     "orientation-requested": IppTag.ENUM,
     "print-quality": IppTag.ENUM,
+    "time-at-creation": IppTag.INTEGER,
+    "time-at-processing": IppTag.INTEGER,
+    "time-at-completed": IppTag.INTEGER,
 }
diff --git a/tests/test_serializer.py b/tests/test_serializer.py
index 4e14158de..eb00a61ec 100644
--- a/tests/test_serializer.py
+++ b/tests/test_serializer.py
@@ -8,12 +8,12 @@
 
 def test_construct_attibute_values() -> None:
     """Test the __construct_attibute_values method."""
-    result = serializer.construct_attibute_values(
+    result = serializer.construct_attribute_values(
         IppTag.INTEGER, IppOperation.GET_PRINTER_ATTRIBUTES
     )
     assert result == b"\x00\x04\x00\x00\x00\x0b"
 
-    result = serializer.construct_attibute_values(
+    result = serializer.construct_attribute_values(
         IppTag.ENUM, IppOperation.GET_PRINTER_ATTRIBUTES
     )
     assert result == b"\x00\x04\x00\x00\x00\x0b"
@@ -31,6 +31,16 @@ def test_construct_attribute() -> None:
     assert result == b"#\x00\x14operations-supported\x00\x04\x00\x00\x00\x0b"
 
 
+def test_construct_attribute_no_tag_unmapped() -> None:
+    """Test the construct_attribute method with no tag and unmapped attribute name."""
+    result = serializer.construct_attribute(
+        "no-tag-unmapped",
+        None,
+    )
+
+    assert result == b""
+
+
 def test_encode_dict() -> None:
     """Test the encode_dict method."""
     result = serializer.encode_dict(