3GPP 24.501 v20.0.0 — the document's own text
5.5.2.3.3 Network-initiated de-registration procedure completion by the network
Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).
The network shall stop timer T3522 upon receipt of the DEREGISTRATION ACCEPT message. The network shall enter state 5GMM-DEREGISTERED for 3GPP access if the de-registration request is for 3GPP access. The network shall enter state 5GMM-DEREGISTERED for non-3GPP access if the de-registration request is for non-3GPP access. The network shall enter state 5GMM-DEREGISTERED for both 3GPP access and non-3GPP access if the de-registration request is for both 3GPP access and non-3GPP access.