Section: 8.2.14.1 Message definition
Content: The DEREGISTRATION REQUEST message is sent by the AMF to the UE. See table 8.2.14.1.1. Message type: DEREGISTRATION REQUEST Significance: dual Direction: network to UE Table 8.2.14.1.1: DEREGISTRATION REQUEST message content NOTE: It is possible for AMFs compliant with version 17.7.0 or 17.8.0 of this specification to send the Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" IE with IEI of value "3B" for this message or the Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" IE with IEI of value "3C" for this message.