The GTIN code rules now constitute the GTIN administration standard

Previously, the GTIN code rules consisted of dozens of different rules which could be difficult to interpret. That is why the GS1 organisation has undertaken a global reform of the rules and organised them into a GTIN administration standard. The GTIN administration standard only has rules for cases in which a new GTIN code has to be given for the product/packaging.

The GTIN administration standard contains nine different rules for the cases in which a new GTIN code has to be given for an existing product. The new GTIN code must be given either for the retail product (base unit or each) and all its cases or only for the cases. A new GTIN code must be given for the product in the following cases:

  1. The composition or functionality of the product changes
  2. The reported net contents change. Note: previously, there was a national rule in Finland regarding the net contents, whereby the GTIN code only had to be renewed if the change exceeded 3%. This rule is no longer valid; instead, if the net contents or net weight of the product change, a new GTIN code must always be given.
  3. The measurements or net weight change by more than 20%
  4. A certification label is added or removed
  5. The primary product name / brand name changes
  6. Time-dependent campaign product. Note: this does not require the GTIN code of the retail product to be changed, but the GTIN codes of transport packaging of campaign products must be changed
  7. The quantity in the packaging/case changes
  8. A pre-defined assortment changes
  9. The price shown on the packaging changes

The GTIN administration standard is available as a downloadable file:  https://www.gs1.fi/ohjeet/gs1-jarjestelman-yleisohjeet

The rules regarding products with non-fixed dimensions are always country-specific, and the GTIN administration standard does not cover their code changes.

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