Section: 5.4.5.2 UE-initiated NAS transport procedure 5.4.5.2.1 General
Content: The purpose of the UE-initiated NAS transport procedure is to provide a transport of: a) a single 5GSM message as defined in subclause 8.3; b) SMS (see 3GPP TS 24.011[ Point-to-Point  (PP) Short Message Service (SMS) support on mobile radio interface ]  [13]); c) an LPP message; c1) an SLPP message; d) an SOR transparent container; e) a UE policy container; f) a UE parameters update transparent container; g) a location services message; h) a CIoT user data container; i) a Service-level-AA container; j) a UPP-CMI container; or k) multiple of the above types. and: - for a) to e), g) and h), optional associated payload routing information from the UE to the AMF in a 5GMM message; and - for k), the Payload container IE consists a list of payload container entries, where each of the payload container entry contains the payload and optional associated payload routing information (e.g. PDU session information for 5GSM message payload).