| 摘要 |
A device and a method for keeping sales checks of a credit card, a debit card, a prepaid card, and a cash receipt are provided to enable a businessman to deduct a purchased VAT(Value-Added Tax) amount by automatically keeping the sale checks of various kinds of credit cards. Sales checks are received, and the sales checks available in deduction of a purchased VAT are kept among the received sales checks for a predetermined period. A reception detail for the sales checks available in the deduction of the purchased VAT is written. The reception detail is transmitted to a national tax office server. |
