Section: 5.4.4.4 Generic UE configuration update completion by the network
Content: Upon receipt of the CONFIGURATION UPDATE COMPLETE message, the AMF shall stop the timer T3555. If a new 5G-GUTI was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new 5G-GUTI as valid and the old 5G-GUTI as invalid. If a new TAI list was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new TAI list as valid and the old TAI list as invalid. If a new truncated 5G-S-TMSI configuration was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new truncated 5G-S-TMSI configuration as valid and the old truncated 5G-S-TMSI configuration as invalid. If a new service area list was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new service area list as valid and the old service area list as invalid. If new allowed NSSAI information was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new allowed NSSAI information as valid and the old allowed NSSAI information as invalid. If new configured NSSAI information was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new configured NSSAI information as valid and the old configured information as invalid. If there are active PDU sessions associated with S-NSSAI(s) not included in the new allowed NSSAI, the AMF shall notify the SMF(s) associated with these PDU sessions to initiate the network-requested PDU session release procedure according to subclause 6.3.3 in the present specification and subclause 5.15.5.2.2 in 3GPP TS 23.501[ System architecture for the 5G System (5GS) ]  [8]. If "registration requested" was indicated in the Registration requested bit of the Configuration update indication IE in the CONFIGURATION UPDATE COMMAND message and: a) the CONFIGURATION UPDATE COMMAND message contained: 1) an allowed NSSAI, a configured NSSAI or both; 2) the Network slicing indication IE with the Network slicing subscription change indication set to "Network slicing subscription changed"; or 3) no other parameters; and b) no emergency PDU session has been established for the UE; then the AMF shall initiate the release of the N1 NAS signalling connection. If an LADN information IE was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the old LADN information as invalid and the new LADN information as valid, if any. If an Extended LADN information IE was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the old extended LADN information as invalid and the new extended LADN information as valid. If a T3447 value was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the T3447 value as valid and if neither zero nor deactivated use the T3447 value with the timer T3447 next time it is started. If the T3447 value included in the CONFIGURATION UPDATE COMMAND message contained an indication that the timer is deactivated or timer value zero, then the AMF shall stop the timer T3447 if running. If a CAG information IE or an Extended CAG information IE was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new "CAG information list" as valid and the old "CAG information list" as invalid. If a UE radio capability ID IE was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new UE radio capability ID as valid and the old UE radio capability ID as invalid. If an Updated PEIPS assistance information IE was included in the CONFIGURATION UPDATE COMMAND message, the AMF shall consider the new PEIPS assistance information as valid and the old PEIPS assistance information, if any, as invalid.