To always be ready for paying the charge to each deliverer corporation by securing the direct connection among a FAX-VAN(facsimite-value added net work), an electric communication circuit and a factoring support system for transfer of data.

A factoring information processor 100 of a factoring company 4A is connected to the business hosts 10 of financial institutions 1A, 1B...1N via an electric communication circuit 40. A factoring information processor 100 is connected to the terminal units 30 of deliverer corporations 3A, 3B...3N via a FAX-VAN 200. Furthermore, the terminal unit of a system 20 of a purchaser corporation 2A is connected to the hosts 10 via the circuit 40. Then the processed and edited data are transferred between a facsimile equipment 30 and the processor 100 via the FAX-VAN 200. The processor 100 receives the obligation data to be assigned form the corporation 2A and performs the information processing related to the factoring.