Section: 4.16.2 AM Policy Association Modification 4.16.2.0 General
Content: There are three cases considered for AM Policy Association Modification: - Case A: A Policy Control Request Trigger condition is met: the procedure is initiated by the AMF. - Case B: PCF policy decision per local decision or per trigger by other peers of the PCF (i.e. UDR, AF or NWDAF): the procedure is initiated by the PCF. - Case C: AM Policy Association Modification with the old PCF during AMF relocation: the procedure is initiated by the AMF. In the non-roaming case, the PCF may interact with the CHF to make policy decisions, for Access and Mobility related policies, based on spending limits.