| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent the congestion of lines caused by performing a credit inquiry without performing supplement processing and performing a large number of credit inquiries.SOLUTION: A necessity determination part 116 determines whether or not credit inquiry processing is essential in the settlement of sales data on the basis of a card number included in the sales data showing sales by a card. An acceptance determination part 117 determines whether or not the card issuer of the card accepts the credit inquiry processing related to a periodic settlement on the basis of the card number included in the sales data. A credit inquiry execution part 118 periodically executes credit inquiry processing to the card issuer about the sales data determining that the necessity determination part 116 determines that the credit inquiry processing is essential and the acceptance determination part 117 accepts the credit inquiry processing.</p> |
