The third condition determination may be executed based on the PDU session establishment request message, pieces of identification information included in the PDU session establishment request message, subscriber information, capability information of the network, an operator policy, the state of the network, registration information of a user, context stored in the SMF, and/or the like. For example, the third condition determination may be true in a case where the network permits a request of the UE. The third condition determination may be false in a case where the network does not permit a request of the UE. The third condition determination may be true in a case where the network as a connection destination of the UE and/or an apparatus in the network supports a function requested by the UE, and the third condition determination may be false in a case where the network does not support the function requested by the UE. The third condition determination may be true in a case where identification information to be transmitted and/or received is permitted, and the third condition determination may be false in a case where the identification information to be transmitted and/or received is not permitted. It is noted that conditions for determining whether the third condition determination is true or false may not be limited to the previously-disclosed conditions.
Actions in a case where the third condition determination is true, specifically actions of procedure (A) of