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5GS-S1. UE‑Triggered Service Request
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Signalling flow for TS 23.502 UE-Triggered Service Request: SMF initiated SM Policy Association Modification


Step 5a, verbatim
[Conditional] SMF to PCF: If the AMF notified the SMF that the access type of the PDU session can be changed in step 4, and if PCC is deployed, the SMF perform an SMF initiated SM Policy Association Modification procedure as defined in clause 4.16.5.1 if Policy Control Request Trigger condition(s) have been met (i.e. change of Access Type). The PCF may provide updated PCC Rule(s).