how can i know if the barcode is false?

how can i know if the barcode is false?

Best answer:

Barcoding is a system for encoding numbers. There is no formula or even format for barcodes, they can’t be checked like credit cards can.
UPCs are a different story. Is that what you’re looking for?

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1 Comment for how can i know if the barcode is false?

  • 1. netthiefx  |  July 24th, 2010 at 1:22 am

    Scan it, and see if the price differs from what it is supposed to be?

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