diff --git a/yang-models/_3gpp-common-subscription-control.yang b/yang-models/_3gpp-common-subscription-control.yang
index e037ff83c734245ce6ea13f7047ad71862e0bd3f..ed48ef99538e52adeae1537aafb00a7b890e6bb1 100755
--- a/yang-models/_3gpp-common-subscription-control.yang
+++ b/yang-models/_3gpp-common-subscription-control.yang
@@ -10,14 +10,15 @@ module _3gpp-common-subscription-control {
   contact "https://www.3gpp.org/DynaReport/TSG-WG--S5--officials.htm?Itemid=464";
     
   description "Defines IOCs for subscription and heartbeat control.
-    Copyright 2023, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, 
+    Copyright 2024, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, 
     TTA, TTC). All rights reserved.";
   reference "3GPP TS 28.623
       Generic Network Resource Model (NRM)
       Integration Reference Point (IRP);
       Solution Set (SS) definitions
       3GPP TS 28.623";
-  
+
+  revision 2024-01-18 { reference CR-0309 ; } 
   revision 2023-09-18 { reference CR-0271 ; } 
   revision 2023-08-10 { reference "CR0257 CR0260"; }
   revision 2022-10-20 { reference CR-0196;   }
@@ -91,7 +92,11 @@ module _3gpp-common-subscription-control {
         If notificationFilter is present, only notifications that pass the 
         filter criteria are forwarded to the notification recipient; all other 
         notifications are discarded.
-        The filter can be applied to any field of a notification.";
+        The filter can be applied to any field of a notification.
+        
+        The format of the string shall confrm to a 
+        JSON expressions (Jex) 'JexConditionsExpr'";
+      reference "3GPP TS 32.161";
     }
   }
   
@@ -288,4 +293,4 @@ module _3gpp-common-subscription-control {
       }
     }
   }   
-}
\ No newline at end of file
+}