diff --git a/33128/r19/TS33128Payloads.asn b/33128/r19/TS33128Payloads.asn
index 0bdf7478f5d545a1588fde4df79f921abc3ec4d0..cc6743867c881025755f4302a62a6dd11abd209d 100644
--- a/33128/r19/TS33128Payloads.asn
+++ b/33128/r19/TS33128Payloads.asn
@@ -1925,7 +1925,8 @@ AMFRegistration ::= SEQUENCE
     uEAreaIndication                [29] UEAreaIndication OPTIONAL,
     establishmentCauseNon3GPPAccess [30] EstablishmentCauseNon3GPPAccess OPTIONAL,
     additionalUserIdentifiers       [31] UserIdentifiers OPTIONAL,
-    alternativeNSSAI                [32] AlternativeNSSAIList OPTIONAL
+    alternativeNSSAI                [32] AlternativeNSSAIList OPTIONAL,
+    serviceLevelAAContainer         [33] ServiceLevelAAContainer OPTIONAL
 }
 
 -- See clause 6.2.2.2.3 for details of this structure
@@ -2489,6 +2490,8 @@ MobileIABAuthorizedIndicator ::= ENUMERATED
     notAuthorized(2)
 }
 
+ServiceLevelAAContainer ::= OCTET STRING (SIZE(4..65538))
+
 -- ==================
 -- 5G SMF definitions
 -- ==================