diff --git a/application/config/constants.php b/application/config/constants.php
index 9cb75d00..13a36c7d 100755
--- a/application/config/constants.php
+++ b/application/config/constants.php
@@ -120,7 +120,7 @@ define('STORE_REJECT',                          'ST039');
 /* Work status code */
 
 define('SERVICE_COMPLETED',                          'ST046');
-
+define('PO_SERVICE_COMPLETED',                          'ST053');
 
 /* Department Code */
 define('ADMIN',                            			'DEP01');