Dedicated card issuance method for issuing a dedicated card for use in prepaid usage fee settlement devices

摘要

PROBLEM TO BE SOLVED: To provide a prepaid type use charge adjustment device capable of adjusting a gas rate according to various charge schemes.SOLUTION: The use charge calculation unit 28 of a prepaid type use charge adjustment device 20 sets a part measuring criterion for part measuring a used amount by a part measuring unit 24 on the basis of a selected set charge scheme. Each of the part measuring counters 41 to 44 of the part measuring unit 24 performs part measuring based on the set charge scheme. The use charge calculation unit 28 calculates the use charge of a gas according to the set charge scheme on the basis of the part measuring value of each of the part measuring counters 41 to 44.SELECTED DRAWING: Figure 3