diff --git a/app/api/dao/task_comment.py b/app/api/dao/task_comment.py
index c01e81a15..577190ed2 100644
--- a/app/api/dao/task_comment.py
+++ b/app/api/dao/task_comment.py
@@ -19,7 +19,7 @@ def validate_data_for_task_comment(user_id, task_id, relation_id):
         )
 
     if relation.state != MentorshipRelationState.ACCEPTED:
-        return messages.UNACCEPTED_STATE_RELATION, HTTPStatus.BAD_REQUEST
+        return messages.UNACCEPTED_STATE_RELATION, HTTPStatus.FORBIDDEN
 
     task = relation.tasks_list.find_task_by_id(task_id)
     if task is None:
diff --git a/app/api/resources/task_comment.py b/app/api/resources/task_comment.py
index 99ec21288..12a75e8ee 100644
--- a/app/api/resources/task_comment.py
+++ b/app/api/resources/task_comment.py
@@ -146,7 +146,7 @@ class TaskComments(Resource):
     )
     @task_comment_ns.doc(
         responses={
-            HTTPStatus.BAD_REQUEST.value: f"{messages.UNACCEPTED_STATE_RELATION}",
+            HTTPStatus.FORBIDDEN.value: f"{messages.UNACCEPTED_STATE_RELATION}",
             HTTPStatus.UNAUTHORIZED.value: f"{messages.TOKEN_HAS_EXPIRED}<br>"
             f"{messages.TOKEN_IS_INVALID}<br>"
             f"{messages.AUTHORISATION_TOKEN_IS_MISSING}<br>"
diff --git a/tests/task_comments/test_api_create_task_comment.py b/tests/task_comments/test_api_create_task_comment.py
index 23388d7e9..b5d847f2f 100644
--- a/tests/task_comments/test_api_create_task_comment.py
+++ b/tests/task_comments/test_api_create_task_comment.py
@@ -89,7 +89,7 @@ def test_task_comment_creation_api_with_unaccepted_relation(self):
             data=json.dumps(dict(comment="comment")),
         )
 
-        self.assertEqual(HTTPStatus.BAD_REQUEST, actual_response.status_code)
+        self.assertEqual(HTTPStatus.FORBIDDEN, actual_response.status_code)
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_task_comment_creation_api_with_task_not_existing(self):
diff --git a/tests/task_comments/test_api_delete_task_comment.py b/tests/task_comments/test_api_delete_task_comment.py
index a36cb640e..8b359f126 100644
--- a/tests/task_comments/test_api_delete_task_comment.py
+++ b/tests/task_comments/test_api_delete_task_comment.py
@@ -92,7 +92,7 @@ def test_task_comment_deletion_api_with_unaccepted_relation(self):
             content_type="application/json",
         )
 
-        self.assertEqual(HTTPStatus.BAD_REQUEST, actual_response.status_code)
+        self.assertEqual(HTTPStatus.FORBIDDEN, actual_response.status_code)
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_task_comment_deletion_api_with_task_not_existing(self):
diff --git a/tests/task_comments/test_api_get_task_comments.py b/tests/task_comments/test_api_get_task_comments.py
index 08fe3bf5e..21a687ffd 100644
--- a/tests/task_comments/test_api_get_task_comments.py
+++ b/tests/task_comments/test_api_get_task_comments.py
@@ -76,7 +76,7 @@ def test_task_comment_listing_api_with_unaccepted_relation(self):
             content_type="application/json",
         )
 
-        self.assertEqual(HTTPStatus.BAD_REQUEST, actual_response.status_code)
+        self.assertEqual(HTTPStatus.FORBIDDEN, actual_response.status_code)
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_task_comment_listing_api(self):
diff --git a/tests/task_comments/test_api_modify_task_comment.py b/tests/task_comments/test_api_modify_task_comment.py
index 7376deb98..d2d4deb0f 100644
--- a/tests/task_comments/test_api_modify_task_comment.py
+++ b/tests/task_comments/test_api_modify_task_comment.py
@@ -119,7 +119,7 @@ def test_task_comment_modification_api_with_unaccepted_relation(self):
             data=json.dumps(dict(comment="comment")),
         )
 
-        self.assertEqual(HTTPStatus.BAD_REQUEST, actual_response.status_code)
+        self.assertEqual(HTTPStatus.FORBIDDEN, actual_response.status_code)
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_task_comment_modification_api_with_task_not_existing(self):