To provide a center processing device for processing settlement on the advancing side and on the repaying side in the case of cross disbursing in payment on credit.

This center processing device is provided with storage means 11 and 12 respectively storing usage detailed statement information of respective members and billing destination change information based on designation from the respective members and a server 10 controlling an instruction for charging credit on both members. By means of the server 10, the usage detailed statement information of the member is provided via a network 2 on demand from the member, an inquiry whether the billing destination can be changed or not is made to the member of the changed billing destination via the network 2 on the basis of the billing destination change information when a billing destination change is directed by the member designating the billing destination change as to a charge about an optional individual statement among the provided usage detailed statement information, and if an answer of approval is given by the member of the changed billing destination via the network 2, the charge is transfer from the usage detailed statement of the member directing the billing destination change to the usage detailed statement of the member of the changed billing destination.