A home SMF of a home PLMN receives a first message from a visited SMF of visited PLMN. The first message requests creation of a packet data unit (PDU) session of a wireless device. The first message comprises first charging policy information determined based on a first policy of the visited PLMN. The home SMF determines a second charging policy information for the PDU session based on the first charging policy information and a second policy of the home PLMN. The second charging policy information comprises: a charging method for the PDU session, and a charging parameter indicating a charging level for the PDU session. The home SMF sends a second message to the visited SMF. The second message comprises the second charging policy information.