If you register the authentication number of the paper coupon/serial coupon/mobile coupon issued by the shopping mall at Register a coupon verification number, it will be issued as an online coupon and can be used.
Coupons can only be applied once per order, and cannot be used again once used.
Coupons can only be used when purchasing applicable products if they are separately applied.
Certain paper coupons/serial coupons/mobile coupons may only be used once.