Section: 4.11.0a.2a.3 PCF initiated SM Policy Association Modification
Content: For the purpose of URSP delivery in EPS, PCF initiated SM Policy Association Modification procedure is triggered by an interaction from the PCF for the UE. The following enhancements are applicable to clause 4.16.5.2 (PCF initiated SM Policy Association Modification procedure): - Step 4: The PCF for the PDU Session may receive a UE Policy Container from the PCF for the UE and/or an update in the Policy Control Request Triggers applicable to the UE as described in clause 4.11.0a.2a.6: - If a UE Policy Container is received from the PCF for the UE, the PCF for the PDU Session selects one of the ongoing PDU Sessions for this UE that supports URSP Rule delivery in EPS and includes that UE Policy Container in Npcf_SMPolicyControl_UpdateNotify request. If an update in the Policy Control Request Triggers applicable to the UE is received, the PCF for the PDU Session determines whether an update on the current Policy Control Request Triggers needs to be sent to the SMF+PGW-C in Npcf_SMPolicyControl_UpdateNotify request.