A method by a second charging function, CHF, in a network node of a second communications network, the method comprising:
- receiving a charging data request from a first CHF of a first communications network, the charging data request requesting quota for a service provided by a network function of the first communications network;
- opening a charging data record, CDR, and adding to the CDR charging data related to the service and an indication of intent of the second CHF to perform at least one of account balance management related to the service and rating related to the service;
- attempting to perform the at least one of the account balance management related to the service and the rating related to the service;
- updating the CDR to add further charging data related to the service and an indication of whether the attempt to perform the at least one of the account balance management related to the service and the rating related to the service was successful;
- and
- sending a charging data response to the first CHF indicating whether the attempt to perform the at least one of the account balance management related to the service and the rating related to the service was completed successfully.