diff --git a/33128/r18/TS33128Payloads.asn b/33128/r18/TS33128Payloads.asn
index 9a987b2b0d5dd02bd2cb3a3825e1bd56bd13020a..e16aa3dc0ab203f8035112f7348c21426a5a319b 100644
--- a/33128/r18/TS33128Payloads.asn
+++ b/33128/r18/TS33128Payloads.asn
@@ -1694,7 +1694,8 @@ AMFRegistration ::= SEQUENCE
     unavailabilityPeriodDuration    [27] UnavailabilityPeriodDuration OPTIONAL,
     fiveGSUpdateType                [28] FiveGSUpdateType OPTIONAL,
     uEAreaIndication                [29] UEAreaIndication OPTIONAL,
-    establishmentCauseNon3GPPAccess [30] EstablishmentCauseNon3GPPAccess OPTIONAL
+    establishmentCauseNon3GPPAccess [30] EstablishmentCauseNon3GPPAccess OPTIONAL,
+    additionalUserIdentifiers       [31] UserIdentifiers OPTIONAL
 }
 
 -- See clause 6.2.2.2.3 for details of this structure
@@ -1711,7 +1712,8 @@ AMFDeregistration ::= SEQUENCE
     location                      [9] Location OPTIONAL,
     switchOffIndicator            [10] SwitchOffIndicator OPTIONAL,
     reRegRequiredIndicator        [11] ReRegRequiredIndicator OPTIONAL,
-    unavailabilityPeriodDuration  [12] UnavailabilityPeriodDuration OPTIONAL
+    unavailabilityPeriodDuration  [12] UnavailabilityPeriodDuration OPTIONAL,
+    additionalUserIdentifiers     [13] UserIdentifiers OPTIONAL
 }
 
 -- See clause 6.2.2.2.4 for details of this structure
@@ -1725,7 +1727,8 @@ AMFLocationUpdate ::= SEQUENCE
     location                        [6] Location,
     deprecatedSMSOverNASIndicator   [7] SMSOverNASIndicator OPTIONAL,
     deprecatedOldGUTI               [8] EPS5GGUTI OPTIONAL,
-    uEAreaIndication                [9] UEAreaIndication OPTIONAL
+    uEAreaIndication                [9] UEAreaIndication OPTIONAL,
+    additionalUserIdentifiers       [10] UserIdentifiers OPTIONAL
 }
 
 -- See clause 6.2.2.2.5 for details of this structure
@@ -1750,7 +1753,8 @@ AMFStartOfInterceptionWithRegisteredUE ::= SEQUENCE
     uEPolicy                      [17] UEPolicy OPTIONAL,
     unavailabilityPeriodDuration  [18] UnavailabilityPeriodDuration OPTIONAL,
     fiveGSUpdateType              [19] FiveGSUpdateType OPTIONAL,
-    uEAreaIndication              [20] UEAreaIndication OPTIONAL
+    uEAreaIndication              [20] UEAreaIndication OPTIONAL,
+    additionalUserIdentifiers     [21] UserIdentifiers OPTIONAL
 }
 
 -- See clause 6.2.2.2.6 for details of this structure
@@ -1764,7 +1768,8 @@ AMFUnsuccessfulProcedure ::= SEQUENCE
     pEI                         [6] PEI OPTIONAL,
     gPSI                        [7] GPSI OPTIONAL,
     gUTI                        [8] FiveGGUTI OPTIONAL,
-    location                    [9] Location OPTIONAL
+    location                    [9] Location OPTIONAL,
+    additionalUserIdentifiers   [10] UserIdentifiers OPTIONAL
 }
 
 -- See clause 6.2.2.2.8 on for details of this structure
@@ -1777,7 +1782,8 @@ AMFPositioningInfoTransfer ::= SEQUENCE
     gUTI                        [5] FiveGGUTI OPTIONAL,
     nRPPaMessage                [6] OCTET STRING OPTIONAL,
     lPPMessage                  [7] OCTET STRING OPTIONAL,
-    lcsCorrelationId            [8] UTF8String (SIZE(1..255))
+    lcsCorrelationId            [8] UTF8String (SIZE(1..255)),
+    additionalUserIdentifiers   [9] UserIdentifiers OPTIONAL
 }
 
 -- See clause 6.2.2.2.9.2 for details of this structure
@@ -5673,13 +5679,14 @@ PDSRSummaryTrigger ::= ENUMERATED
 
 AMFIdentifierAssociation ::= SEQUENCE
 {
-    sUPI             [1] SUPI,
-    sUCI             [2] SUCI OPTIONAL,
-    pEI              [3] PEI OPTIONAL,
-    gPSI             [4] GPSI OPTIONAL,
-    gUTI             [5] FiveGGUTI,
-    location         [6] Location,
-    fiveGSTAIList    [7] TAIList OPTIONAL
+    sUPI                        [1] SUPI,
+    sUCI                        [2] SUCI OPTIONAL,
+    pEI                         [3] PEI OPTIONAL,
+    gPSI                        [4] GPSI OPTIONAL,
+    gUTI                        [5] FiveGGUTI,
+    location                    [6] Location,
+    fiveGSTAIList               [7] TAIList OPTIONAL,
+    additionalUserIdentifiers   [8] UserIdentifiers OPTIONAL
 }
 
 MMEIdentifierAssociation ::= SEQUENCE