Section: 28.15.2 NAI format for SUPI containing a GCI
Content: A SUPI containing a GCI shall take the form of a Network Access Identifier (NAI). The NAI for SUPI shall have the form username@realm as specified in clause 2.2 of IETF RFC 7542 [126], where: - the username part shall be the GCI, as defined in clause 28.15.4; - the realm part shall identify the operator owning the subscription; if the operator owns a PLMN ID, the realm part should be in the form: "5gc.mnc<MNC>.mcc<MCC>.3gppnetwork.org" EXAMPLE 1: 00-00-5E-00-53-00@5gc.mnc012.mcc345.3gppnetwork.org EXAMPLE 2: 00-00-5E-00-53-00@operator.com