diff --git a/ga4gh/testbed/submit/report_submitter.py b/ga4gh/testbed/submit/report_submitter.py
index 1745411..f8d68ae 100644
--- a/ga4gh/testbed/submit/report_submitter.py
+++ b/ga4gh/testbed/submit/report_submitter.py
@@ -1,28 +1,37 @@
 from re import sub
 import requests
+import json
+from ga4gh.testbed.report.report import Report
 
 
 class ReportSubmitter():
 
-    def submit_report(series_id, series_token, report, url="http://localhost:4500/reports"):
+    def submit_report(series_id, series_token, report:Report, url="http://localhost:4500/reports"):
         '''
         Submits a report to the GA4GH testbed api.
         
         Required arguments:
             series_id - A series ID is needed by server to group the report
             series_token - A token is needed to verify authenticity
-            report - GA4GH report in JSON format
+            report - GA4GH report object
             url - URL of the testbed server
         '''
-        header = {"GA4GH-TestbedReportSeriesId": series_id, "GA4GH-TestbedReportSeriesToken": series_token}
-        submit_request = requests.post(url, headers=header ,json=report)
-
         results = {
-            "status_code": submit_request.status_code,
+            "status_code": None,
             "error_message": None,
             "report_id": None
         }
 
+        if type(report) != Report:
+            results["status_code"] = 400
+            results["error_message"] = "Report submitted is not a GA4GH Report object"
+            return results
+
+        header = {"GA4GH-TestbedReportSeriesId": series_id, "GA4GH-TestbedReportSeriesToken": series_token}
+        submit_request = requests.post(url, headers=header ,json=json.loads(report.to_json()))        
+
+        results["status_code"] = submit_request.status_code
+
         if submit_request.status_code == 200:
             results["report_id"] = submit_request.json()["id"]
         else:
diff --git a/tests/test_unit/test_ga4gh/test_testbed/test_submit/test_report_submitter.py b/tests/test_unit/test_ga4gh/test_testbed/test_submit/test_report_submitter.py
index a3666c6..1a6dccc 100644
--- a/tests/test_unit/test_ga4gh/test_testbed/test_submit/test_report_submitter.py
+++ b/tests/test_unit/test_ga4gh/test_testbed/test_submit/test_report_submitter.py
@@ -1,7 +1,8 @@
 import pytest
 from ga4gh.testbed.submit.report_submitter import ReportSubmitter
+from ga4gh.testbed.report.report import Report
 
-sample_report = {"schema_name":"ga4gh-testbed-report","schema_version":"0.1.0","testbed_name":"refget-compliance-suite","testbed_version":"","testbed_description":"","platform_name":"","platform_description":"","input_parameters":{},"start_time":"2022-03-22T17:45:37Z","end_time":"2022-03-22T17:46:32Z","status":"PASS","summary":{"unknown":0,"passed":49,"warned":0,"failed":0,"skipped":20},"phases":[]}
+sample_report = Report()
 
 submit_report_inputs = "series_id,series_token,report,url,status_code"
 submit_report_cases = [
@@ -31,7 +32,7 @@
         "K5pLbwScVu8rEoLLj8pRy5Wv7EXTVahn",
         {},
         "http://localhost:4500/reports",
-        500
+        400
     ),
     (
         "",