diff --git a/src/claim-request-management/claim-request-management.v2.controller.ts b/src/claim-request-management/claim-request-management.v2.controller.ts
index 17afc98..04572a7 100644
--- a/src/claim-request-management/claim-request-management.v2.controller.ts
+++ b/src/claim-request-management/claim-request-management.v2.controller.ts
@@ -560,8 +560,7 @@ Returns status of each item (uploaded/captured or not).
     description: `
 **Workflow Step:** UPLOAD_REQUIRED_DOCUMENTS (Step 5 of Claim)
 
-**Upload one of the required documents** (13 for THIRD_PARTY; CAR_BODY may require fewer — see capture-requirements):
-- car_green_card
+**Upload one of the required documents** (12 for THIRD_PARTY; CAR_BODY may require fewer — see capture-requirements):
 - damaged_driving_license_front/back
 - damaged_chassis_number, damaged_engine_photo
 - damaged_car_card_front/back, damaged_metal_plate
diff --git a/src/helpers/mongoose-fa-timestamps.plugin.ts b/src/helpers/mongoose-fa-timestamps.plugin.ts
index 47f56c5..4241cfc 100644
--- a/src/helpers/mongoose-fa-timestamps.plugin.ts
+++ b/src/helpers/mongoose-fa-timestamps.plugin.ts
@@ -46,15 +46,24 @@ function writeFaTimestampsOnUpdate(query: Query<any, any>): void {
     update.$set = {};
   }
 
-  if (update.$set.createdAtFa == null && update.createdAtFa == null) {
-    update.$set.createdAtFa = nowFa;
-  }
   update.$set.updatedAtFa = nowFa;
+
+  // Keep createdAtFa immutable on regular updates; set only for upsert inserts.
+  const opts = (query as any).getOptions?.() ?? {};
+  if (opts.upsert) {
+    if (!update.$setOnInsert || typeof update.$setOnInsert !== "object") {
+      update.$setOnInsert = {};
+    }
+    if (update.$setOnInsert.createdAtFa == null) {
+      update.$setOnInsert.createdAtFa = nowFa;
+    }
+  }
+
   query.setUpdate(update);
 }
 
 /**
- * Adds `createdAtFa` / `updatedAtFa` (Iran timezone, UTC+03:30 offset string)
+ * Adds `createdAtFa` / `updatedAtFa` (Iran timezone tuple: [date, time])
  * to all schemas that use mongoose timestamps.
  */
 export function applyIranFaTimestampPlugin(connection: Connection): void {