Barcode FAQS | GS1 US

In no instance should you alter barcodes or add/delete any of the numbers below a barcode. These numbers make up your GTINs (Global Trade Item Numbers). To ensure proper identification, you will want to include all digits of your GTIN with the proper barcode size when communicating information about your product. If you randomly add or remove any of the digits, you may inadvertently use another company’s number and you will not be identified as the license holder of that prefix.Be careful not to cut off or shrink the barcodes as you run the risk that scanners will not correctly read them at checkout. For industry standards related to the size, shape, and colors of barcodes, visit ourBarcode Placement Guide.