The fee paid by professionals to the body mentioned in article R. 223-1 includes:
1° A fixed portion comprising, in addition to the registration fees paid when joining the service, those corresponding to the annual cost of managing the file opened by the organisation for each member professional;
2° A variable portion corresponding to the organisation’s annual costs associated with collecting, registering, storing and managing consumer telephone numbers as provided for in article R. 223-2 and the frequency of use of the opposition list by the professional. The amount is calculated on the basis of the number and size of the files and the number of times the organisation is consulted to check or update them.