diff --git a/33128/r19/TS33128Payloads.asn b/33128/r19/TS33128Payloads.asn
index ed23a904b9a50dbb5758325c75c39c69e2aa11fc..9098ab28b1475045715f34b0cc20e7f34a60ecf9 100644
--- a/33128/r19/TS33128Payloads.asn
+++ b/33128/r19/TS33128Payloads.asn
@@ -322,7 +322,11 @@ XIRIEvent ::= CHOICE
 
     -- 5G ProSe Direct Communication events, see clause 7.17.2
     fiveGDDNMFProSeUNIDirectDiscovery                   [184] FiveGDDNMFProSeUNIDirectDiscovery,
-    fiveGDDNMFProSeNNIDirectDiscovery                   [185] FiveGDDNMFProSeNNIDirectDiscovery
+    fiveGDDNMFProSeNNIDirectDiscovery                   [185] FiveGDDNMFProSeNNIDirectDiscovery,
+
+    -- Additional Identifier Association events, see clauses 6.2.2.2.7 and 6.3.2.2.2
+    aMFIdentifierDeassociation                          [186] AMFIdentifierDeassociation,
+    mMEIdentifierDeassociation                          [187] MMEIdentifierDeassociation
 
 }
 
@@ -629,7 +633,11 @@ IRIEvent ::= CHOICE
 
     -- 5G ProSe Direct Communication events, see clause 7.17.3
     fiveGDDNMFProSeUNIDirectDiscovery                   [184] FiveGDDNMFProSeUNIDirectDiscovery,
-    fiveGDDNMFProSeNNIDirectDiscovery                   [185] FiveGDDNMFProSeNNIDirectDiscovery
+    fiveGDDNMFProSeNNIDirectDiscovery                   [185] FiveGDDNMFProSeNNIDirectDiscovery,
+
+    -- Additional Identifier Association events, see clauses 6.2.2.2.7 and 6.3.2.2.2
+    aMFIdentifierDeassociation                          [186] AMFIdentifierDeassociation,
+    mMEIdentifierDeassociation                          [187] MMEIdentifierDeassociation
 }
 
 IRITargetIdentifier ::= SEQUENCE
@@ -6074,6 +6082,17 @@ AMFIdentifierAssociation ::= SEQUENCE
     additionalUserIdentifiers [8] UserIdentifiers OPTIONAL
 }
 
+AMFIdentifierDeassociation ::= SEQUENCE
+{
+    sUPI                       [1] SUPI,
+    sUCI                       [2] SUCI OPTIONAL,
+    pEI                        [3] PEI OPTIONAL,
+    gPSI                       [4] GPSI OPTIONAL,
+    gUTI                       [5] FiveGGUTI,
+    location                   [6] Location OPTIONAL,
+    additionalUserIdentifiers  [7] UserIdentifiers OPTIONAL
+}
+
 MMEIdentifierAssociation ::= SEQUENCE
 {
     iMSI        [1] IMSI,
@@ -6084,6 +6103,15 @@ MMEIdentifierAssociation ::= SEQUENCE
     tAIList     [6] TAIList OPTIONAL
 }
 
+MMEIdentifierDeassociation ::= SEQUENCE
+{
+    iMSI        [1] IMSI,
+    iMEI        [2] IMEI OPTIONAL,
+    mSISDN      [3] MSISDN OPTIONAL,
+    gUTI        [4] GUTI,
+    location    [5] Location OPTIONAL
+}
+
 -- =================================
 -- Identifier Association parameters
 -- =================================