ETSI TS 128622 V 15.5.0,3GPP TS 28.622 Version 15.
Universal Mobile Telecommunications System (UMTS) - LTE - 5G - Telecommunication management - Generic Network Resource Model (NRM) Integration Reference Point (IRP) - Information Service (IS) (3GPP TS 28.622 version 15.5.0 Release 15)