diff --git a/definitions/staging/stg_csc_agent.sqlx b/definitions/staging/stg_csc_agent.sqlx
index 1017dc9..9bdbace 100644
--- a/definitions/staging/stg_csc_agent.sqlx
+++ b/definitions/staging/stg_csc_agent.sqlx
@@ -4,7 +4,7 @@ config {
   schema: "pphe_five9_stg",  
   assertions: {
     uniqueKey: ["UPDATE_USER", "CONFIRMATION_NO", "CHANGE_DATE", "UPDATE_TYPE", "UPDATE_DESCRIPTION"],
-    nonNull: ["UPDATE_USER", "CONFIRMATION_NO", "CHANGE_DATE", "UPDATE_TYPE", "UPDATE_DESCRIPTION"],
+    nonNull: ["UPDATE_USER", "CONFIRMATION_NO", "CHANGE_DATE", "UPDATE_TYPE"],
     rowConditions: [
       'UPDATE_TYPE_GROUP <> "NOT_MAPPED"',
       'REVENUE_GENERATING_YN <> "NOT_MAPPED"',