diff --git a/33128/r18/TS33128Payloads.asn b/33128/r18/TS33128Payloads.asn
index 41ea51fa3ab5d872e20fa232daaa2acb5d2a1e46..ea962e74820db8b393d0bd2c5e8c5e1e1bd6d30a 100644
--- a/33128/r18/TS33128Payloads.asn
+++ b/33128/r18/TS33128Payloads.asn
@@ -299,7 +299,13 @@ XIRIEvent ::= CHOICE
     ePSPDNUnsuccessfulProcedure                         [180] EPSPDNUnsuccessfulProcedure,
 
     -- IMS events, see clause 7.12.4.2, continued from tag 164
-    startOfInterceptionWithEstablishedIMSDataChannel    [181] StartOfInterceptionWithEstablishedIMSDataChannel
+    startOfInterceptionWithEstablishedIMSDataChannel    [181] StartOfInterceptionWithEstablishedIMSDataChannel,
+
+    -- Tags 182 to 185 are not used in this version of the specification
+
+    -- Additional Identifier Association events, see clauses 6.2.2.2.7 and 6.3.2.2.2
+    aMFIdentifierDeassociation                          [186] AMFIdentifierDeassociation,
+    mMEIdentifierDeassociation                          [187] MMEIdentifierDeassociation
 }
 
 -- ==============
@@ -582,7 +588,13 @@ IRIEvent ::= CHOICE
     ePSPDNUnsuccessfulProcedure                         [180] EPSPDNUnsuccessfulProcedure,
 
     -- IMS events, see clause 7.12.4.2, continued from tag 164
-    startOfInterceptionWithEstablishedIMSDataChannel    [181] StartOfInterceptionWithEstablishedIMSDataChannel
+    startOfInterceptionWithEstablishedIMSDataChannel    [181] StartOfInterceptionWithEstablishedIMSDataChannel,
+
+    -- Tags 182 to 185 are not used in this version of the specification
+
+    -- 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
@@ -5779,6 +5791,17 @@ 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,
@@ -5788,6 +5811,14 @@ MMEIdentifierAssociation ::= SEQUENCE
     location    [5] Location,
     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
diff --git a/testing/asn_lint_exceptions.json b/testing/asn_lint_exceptions.json
index a1c648b47feccdaf66dfc5b2054a4b67e357b847..78c822471dd29b620c24439e3e0d54d3fa470e2e 100644
--- a/testing/asn_lint_exceptions.json
+++ b/testing/asn_lint_exceptions.json
@@ -69,7 +69,9 @@
         "Tag 161 XIRIEvent field 'iPIRIPacketReport' is not present in IRIEvent",
         "Tag 161 missing in IRIEvent",
         "Tags 167-175 missing in XIRIEvent",
-        "Tags 167-175 missing in IRIEvent"
+        "Tags 167-175 missing in IRIEvent",
+        "Tags 182-185 missing in XIRIEvent",
+        "Tags 182-185 missing in IRIEvent"
     ],
     "33128/r19/TS33128Payloads.asn" : [
         "Tag 100 XIRIEvent field 'n9HRPDUSessionInfo' is not present in IRIEvent",