To bring a merit in money matter to use while securing convenience in a fare deferred payment system.

A host computer 1 controls the entire fare deferred payment system, information to be processed by processors 4... while using a deferred payment card issued by an issuing machine 3 is received through a station controller 2, and the condition of usage is stored in a storage device 5 for every deferred payment card. For every stored deferred payment card, a commutation fare dealed as a commutation ticket and a fare dealed as a coupon ticket or the like are adopted corresponding to the condition of usage during a certain period, and the amount billed is calculated.