How Customers Receive Receipts

How customers receive a digital receipt after scanning the QR code by the register: receiving it in LINE or by email, and what to do when time has passed.

Issuing and Revoking Transaction QR Codes

How to issue a one-time QR code for a specific past sale from the "Per-sale QR code" panel in the transaction detail, how to revoke it before the customer receives it, and how to cancel a receipt the customer has already received.