diff --git a/ocdskit/oc4ids_transforms.py b/ocdskit/oc4ids_transforms.py
index 9f7a4675..0e89f847 100644
--- a/ocdskit/oc4ids_transforms.py
+++ b/ocdskit/oc4ids_transforms.py
@@ -649,18 +649,22 @@ def description(state):
     """
     CoST IDS element: Project description
     """
-    if len(state.compiled_releases) == 1:
-        description = resolve_pointer(state.compiled_releases[0], "/planning/project/description", None)
+    output_description = None
+
+    for compiled_release in state.compiled_releases:
+        description = resolve_pointer(compiled_release, "/planning/project/description", None)
         if description:
-            state.output["description"] = description
-            return True
+            if output_description and output_description != description:
+                logger.warn(
+                    "Multiple differing planning/project/descriptions found eg. {}, {}, skipping conversion".format(
+                        description, output_description
+                    )
+                )
+                return
+            output_description = description
 
-    else:
-        descriptions = concat_ocid_and_string(state, "/planning/project/description")
-        if descriptions != "":
-            state.output["description"] = descriptions
-            return True
-    return False
+    if output_description:
+        state.output["description"] = output_description
 
 
 def description_tender(state):
diff --git a/tests/test_oc4ids_transforms.py b/tests/test_oc4ids_transforms.py
index fe641793..84ac5261 100644
--- a/tests/test_oc4ids_transforms.py
+++ b/tests/test_oc4ids_transforms.py
@@ -1158,14 +1158,19 @@ def test_description_multiple():
             "id": "2",
             "tag": "planning",
             "date": "2001-02-03T04:05:06Z",
-            "planning": {"project": {"description": "Another project description"}},
+            "planning": {"project": {"description": "A project description"}},
         },
     ]
 
-    rationales = "<ocds-213czf-1> A project description\n<ocds-213czf-2> Another project description\n"
+    output = transforms._run_transforms(copy.deepcopy(releases), "1", transforms=[transforms.description],)
+    assert output["description"] == releases[0]["planning"]["project"]["description"]
+
+    # contraditing descriptions
+    releases[0]["planning"]["project"]["description"] = "another description"
 
     output = transforms._run_transforms(copy.deepcopy(releases), "1", transforms=[transforms.description],)
-    assert output["description"] == rationales
+
+    assert "description" not in output
 
 
 def test_description_tender():