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Printed QR code rule in action

Close-up photo composition of hands holding a printed QR code sheet at arm’s length in front of a register card reader, with a small tent sign on the counter reading “NO PHONE HANDLING BY STAFF—PLEASE PRESENT QR.” The QR code should be real-looking but not scannable (use a non-functional pattern) and the environment should clearly read as a taco counter with salsa cups and napkin dispensers.