Validation of GTIN codes in Group III according to NT 2021:003 version 1.30

In NT 2021.003, only standard GTIN barcodes duly registered in the GS1 (Barcode System) database will be accepted for the cEAN (barcode of the product) and cEANTrib (barcode of the taxable unit) fields. A validation rule is also provided in this technical note by crossing the tax document's product information with GS1's registration information for the aforementioned GTIN.

When the marketed product has a barcode with GTIN, the SINIEF Adjustments 07/05 and 19/16 require the cEAN and cEANT…