Barcoding Guidelines

Barcoding Guidelines and Recommendations

Do it Best Corp. will provide cross-reference reports to vendors to be used for verifying the accuracy of GTIN codes. In addition, the company requires that all vendors perform quality checks on existing and proposed GTIN codes. These quality checks should be performed for each variation of GTIN codes used by the vendor.

A change in any of the following criteria constitutes a “variation”:

  • product packaging
  • shape of product (if not packaged)
  • barcode size
  • color (of barcode or background)
  • film master (production method or supplier)
  • print method or supplier producing barcode.

Quality tests should be performed using a barcode verifier, a device that tests the accuracy of a barcode to determine if the barcode meets a specification. The results of these tests must be in compliance with GS1 guidelines. Do it Best Corp. will enforce adherence to these guidelines.


Any barcode numbers or symbols that are found to be inaccurate according to the Do it Best Corp. standards must be corrected at the vendor’s expense. At a minimum, the vendor will need to provide Do it Best Corp. with high quality barcode labels to correct unacceptable barcodes. The vendor may have to reimburse Do it Best Corp. for all costs associated with assisting these corrections.

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