A. Requested NSSAI is a set of slices provided by UE to the network and contains values from serving PLMN.

B. Allowed NSSAI is a set of slices provided to UE by AMF during UE registration procedure.

C. Configured NSSAI is a set of slices configured on the AMF and contains slices supported per tracking area.

D. Subscribed NSSAI is a set of slices specified in the UE subscription data and contains only home PLMN values.