P To pay public money by using a credit card. PSOLUTION: A server device 40 connected in a communicable manner to a payer terminal 10, a public money management system 20 and a credit system 30 receives charging information to be transmitted from the public money management system 20, receives a payment request to be transmitted from the payer terminal 10, and transmits a credit request including a money amount included in the charging information corresponding to a payment slip number included in the payment request and a card number included in the payment request to the credit system 30, and transmits a payment notice including the credit result and the payment number to the public money management system. PCOPYRIGHT: (C)2009 and JPO& INPIT
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