Section: 4.2.7.2.4 NGAP UE-TNLA-binding update procedure
Content: At any time the AMF may decide to re-bind the NGAP UE association to a new TNL association: - by sending a UE-specific NGAP message on a new TNL association (triangular redirection), if: - AMF responds to the 5G-AN node initiated NGAP message (i.e. triangular redirection) as described in clauses 4.2.7.2.1, 4.2.7.2.2 and 4.2.7.2.3; or - AMF initiated UE-specific NGAP message needs to be sent to 5G-AN node; - by sending a UE-specific NGAP UE-TNLA binding release message to 5G-AN and the 5G-AN node updates the NGAP UE-TNLA binding with the new TNL association.