diff --git a/102232-4/L2AccessPDU.asn b/102232-4/L2AccessPDU.asn
index eaf7cc85ed13b2c3714685dc2bd6c0e6c073ba04..c8e562ca961c3173bcb97cf9f2a1af6bd8c95bfb 100644
--- a/102232-4/L2AccessPDU.asn
+++ b/102232-4/L2AccessPDU.asn
@@ -131,8 +131,14 @@ AccessEventType         ::= ENUMERATED
         -- LI is started on a target who already has an active session
     accessEnd(9),
         -- A target stops using the IAS, the session ends.
-    endOfInterceptionWithSessionActive(10)
+    endOfInterceptionWithSessionActive(10),
         -- LI is ended on a target who still has an active session
+    startOfInterceptionWithoutNetworkSession(11),
+        -- Start of LI session without a network session
+    endOfInterceptionWithoutNetworkSession(12),
+        -- End of LI session without a network session
+    sessionExpired(13)
+        -- LI session terminated due to expiry by MF
 }
 
 InternetAccessType      ::= ENUMERATED