diff --git a/33128/r19/TS33128Payloads.asn b/33128/r19/TS33128Payloads.asn
index 647a36dadbdfb601f85cf673d697c65f2e15d6c4..e7075b1966b4bb4fed42c01ddaba83eeac81a123 100644
--- a/33128/r19/TS33128Payloads.asn
+++ b/33128/r19/TS33128Payloads.asn
@@ -1753,7 +1753,8 @@ NASTransportInitialInformation ::= SEQUENCE
     eDTSession              [3] BOOLEAN OPTIONAL,
     authenticatedIndication [4] BOOLEAN OPTIONAL,
     nPNAccessInformation    [5] CellCAGList OPTIONAL,
-    rEDCAPIndication        [6] REDCAPIndication OPTIONAL
+    rEDCAPIndication        [6] REDCAPIndication OPTIONAL,
+    mobileIABNodeIndication [7] BOOLEAN OPTIONAL
 }
 
 NGInformation ::= SEQUENCE
@@ -1833,7 +1834,8 @@ InitialRANUEContextSetup ::= SEQUENCE
     rGLevelWirelineAccessCharacteristics [13] OCTET STRING OPTIONAL,
     uERadioCapabilityID                  [14] OCTET STRING OPTIONAL,
     targetNSSAIInfo                      [15] TargetNSSAIInfo OPTIONAL,
-    fiveGProSeAuthorizationIndication    [16] FiveGProSeAuthorizationIndication OPTIONAL
+    fiveGProSeAuthorizationIndication    [16] FiveGProSeAuthorizationIndication OPTIONAL,
+    mobileIABAuthorizedIndicator         [17] MobileIABAuthorizedIndicator OPTIONAL
 }
 
 PDUSessionSetupRequestItem ::= SEQUENCE
@@ -1906,6 +1908,12 @@ RATFrequencySelectionPriority ::= INTEGER (1..256)
 
 FiveGMMCapability ::= OCTET STRING (SIZE(1..13))
 
+MobileIABAuthorizedIndicator ::= ENUMERATED
+{
+    authorized(1),
+    notAuthorized(2)
+}
+
 -- TS 29.171 [54], clause 7.4.48 and TS 29.572 [24], clause 6.1.6.2.42
 UEAreaIndication ::= SEQUENCE
 {