To mitigate the load of a clerical work on the part of a taxi company and a taxi ticket using enterprise-and prevent a bill from being dishonestly or erroneously issued by clearly grasping the corresponding relationship between a bill amount of taxi fares and used taxi tickets.

The taxi ticket has a necessary entry column printed as common fixed information. The bill specification is prepared for liquidating the total fare amount of the recovered used taxi tickets showing variable information such as a taxi ticket issuing enterprise code and a taxi ticket control number. Further, the bill specification shows the printed date when the taxi ticket is used and taxi fare amount corresponding to the image of an original taxi ticket.