| 摘要 |
An input tax amount deduction information calculating device and a method thereof are disclosed. The method includes a step of requesting or searching for card payment information of a user performing payment in a member store, a step of requesting or searching for member store receipt information corresponding to the card payment information, and a step of calculating input tax amount deduction information based on the receipt information. [Reference numerals] (AA) START; (BB) End; (S31) Request input tax amount deduction information; (S32) Request card payment information; (S33) Extract transaction identification information; (S34) Request member store receipt information; (S35) Extract VAT amount information; (S36) Calculate input tax amount deduction information; (S37) Transmit input tax amount deduction information |
