diff --git a/mhr_api/src/mhr_api/models/db2/manuhome.py b/mhr_api/src/mhr_api/models/db2/manuhome.py
index 56074684d..9ea41b557 100755
--- a/mhr_api/src/mhr_api/models/db2/manuhome.py
+++ b/mhr_api/src/mhr_api/models/db2/manuhome.py
@@ -428,7 +428,9 @@ def registration_json(self):
         if self.reg_notes:
             notes = []
             for note in self.reg_notes:
-                notes.append(note.registration_json)
+                note_json = note.registration_json
+                note_json['documentRegistrationNumber'] = self.__get_note_doc_reg_num(note.reg_document_id)
+                notes.append(note_json)
             # Now sort in descending timestamp order.
             man_home['notes'] = Db2Manuhome.__sort_notes(notes)
         return man_home
@@ -486,6 +488,15 @@ def new_registration_json(self):
             man_home['description'] = self.reg_descript.registration_json
         return man_home
 
+    def __get_note_doc_reg_num(self, doc_id: str) -> str:
+        """Get the document registration number matching the doc_id from document."""
+        reg_num: str = ''
+        if doc_id and self.reg_documents:
+            for doc in self.reg_documents:
+                if doc.id == doc_id:
+                    return doc.document_reg_id
+        return reg_num
+
     @classmethod
     def __update_group_type(cls, groups, existing_count: int = 0):
         """Set type if multiple active owner groups and a trustee, admin, executor exists."""
diff --git a/mhr_api/src/mhr_api/reports/v2/report.py b/mhr_api/src/mhr_api/reports/v2/report.py
index 9821f7eba..0e467f57d 100755
--- a/mhr_api/src/mhr_api/reports/v2/report.py
+++ b/mhr_api/src/mhr_api/reports/v2/report.py
@@ -460,7 +460,7 @@ def _set_search_additional_message(self):
                             has_exempt_note = True
                             message = {
                                 'messageType': note.get('documentType'),
-                                'messageId': note.get('documentId', ''),
+                                'messageId': note.get('documentRegistrationNumber', ''),
                                 'messageDate': Report._to_report_datetime(note['createDateTime'], False)
                             }
                             messages.append(message)
diff --git a/mhr_api/src/mhr_api/version.py b/mhr_api/src/mhr_api/version.py
index 58a71787b..c9f571685 100644
--- a/mhr_api/src/mhr_api/version.py
+++ b/mhr_api/src/mhr_api/version.py
@@ -22,4 +22,4 @@
 Development release segment: .devN
 """
 
-__version__ = '1.3.0'  # pylint: disable=invalid-name
+__version__ = '1.3.1'  # pylint: disable=invalid-name
diff --git a/mhr_api/tests/unit/models/db2/test_manuhome.py b/mhr_api/tests/unit/models/db2/test_manuhome.py
index 1ee62b57f..ba559c371 100755
--- a/mhr_api/tests/unit/models/db2/test_manuhome.py
+++ b/mhr_api/tests/unit/models/db2/test_manuhome.py
@@ -186,6 +186,8 @@ def test_find_by_mhr_number(session, http_status, id, mhr_num, status, doc_id):
         assert report_json.get('location')
         assert report_json.get('description')
         assert report_json.get('notes')
+        for note in report_json.get('notes'):
+            assert note.get('documentRegistrationNumber')
     else:
         with pytest.raises(BusinessException) as request_err:
             Db2Manuhome.find_by_mhr_number(mhr_num)
@@ -267,6 +269,7 @@ def test_find_by_document_id(session, http_status, doc_id, mhr_num, doc_type):
 
 @pytest.mark.parametrize('interest,numerator,denominator,new_interest', TEST_DATA_GROUP_INTEREST)
 def test_adjust_group_interest_new(session, interest, numerator, denominator, new_interest):
+    """Assert that adjusting group interest is working as expected."""
     groups = []
     group: Db2Owngroup = Db2Owngroup(status=Db2Owngroup.StatusTypes.ACTIVE,
                                      tenancy_type=Db2Owngroup.TenancyTypes.COMMON,
@@ -280,6 +283,7 @@ def test_adjust_group_interest_new(session, interest, numerator, denominator, ne
 
 @pytest.mark.parametrize('group1,group2,group3,interest1,interest2,interest3', TEST_DATA_GROUP_INTEREST2)
 def test_adjust_group_interest_2(session, group1, group2, group3, interest1, interest2, interest3):
+    """Assert that adjusting group interest is working as expected."""
     groups = []
     if group1:
         groups.append(group1)
@@ -298,7 +302,7 @@ def test_adjust_group_interest_2(session, group1, group2, group3, interest1, int
 
 
 def test_notes_sort_order(session):
-    """Assert that manufauctured home notes sort order is as expected."""
+    """Assert that manufactured home notes sort order is as expected."""
     manuhome: Db2Manuhome = Db2Manuhome.find_by_mhr_number('053341')
     report_json = manuhome.registration_json
     assert len(report_json['notes']) == 2
diff --git a/mhr_api/tests/unit/models/test_mhr_registration.py b/mhr_api/tests/unit/models/test_mhr_registration.py
index 638a3a1c9..051a9295e 100755
--- a/mhr_api/tests/unit/models/test_mhr_registration.py
+++ b/mhr_api/tests/unit/models/test_mhr_registration.py
@@ -560,6 +560,19 @@ def test_find_by_mhr_number(session, mhr_number, has_results, account_id):
         assert registration.status_type in MhrRegistrationStatusTypes
         assert registration.registration_type in MhrRegistrationTypes
         assert registration.registration_ts
+        report_json = registration.registration_json
+        assert report_json['mhrNumber']
+        assert report_json['status']
+        assert report_json.get('createDateTime')
+        assert report_json.get('clientReferenceId') is not None
+        assert report_json.get('declaredValue') >= 0
+        assert report_json.get('ownerGroups')
+        assert report_json.get('location')
+        assert report_json.get('description')
+        if report_json.get('notes'):
+            for note in report_json.get('notes'):
+                assert note['documentDescription']
+                assert note['documentRegistrationNumber']
     else:
         with pytest.raises(BusinessException) as not_found_err:
             MhrRegistration.find_by_mhr_number(mhr_number, 'PS12345')