Policy enforcement across wireless communication networks over application functions

A wireless communication network configured to enforce user policies for multiple User Equipment (UE), the wireless communication network comprising:

• an Application Function (AF) and a Policy Control Function (PCF);
• the AF configured to receive a user policy from an other AF in an other wireless communication network for a visiting User Equipment (UE) from the other wireless communication network and transfer the user policy to the PCF wherein the other AF received the user policy from an other PCF in the other wireless communication network;
• the PCF configured to receive the user policy from the AF and distribute the user policy to a Network Function (NF);
• the NF configured to enforce the user policy for the visiting UE;
• the PCF configured to access a Unified Data Management (UDM), identify an other user policy for an other UE visiting on the other wireless communication network, and transfer the other user policy to the AF;
• and
• the AF configured to receive the other user policy from the PCF and responsively transfer the other user policy to the other AF, wherein the other AF receives the other user policy and responsively transfers the other user policy to the other PCF and the other PCF receives the other user policy and responsively distributes the other user policy to an other NF in the other wireless communication network and the other NF receives the other user policy and responsively enforces the other user policy for the other User Equipment (UE) visiting on the other wireless communication network.