The systems and method disclosed herein select a customized or default UE SIM profile for a registration with a particular network element in a specific jurisdiction based on the identification of the serving network element (e.g. MME, SGSN, S-CSCF). The default profile may be chosen over a particular subscriber identifier in various jurisdictions and types of networks. To implement the default profile, the subscription server may store a New Radio (NR) as a Secondary Radio Access Technologies (RAT) identifier, or “NR as a Secondary RAT” identifier, and set the value of the identifier as “ALLOW” or “DENY” of the default profile described herein.