{
 "url": "https://activatedigital.ai/knowledge/fields/identifiers",
 "title": "Product identifiers: how many you need, what they cost, and which rules are law",
 "description": "What a barcode has to do before a passport can hang off it, how to start if nothing has been allocated to you, and what an allocation actually costs.",
 "territory": "dpp",
 "category": null,
 "direct_answer": "If you use the GS1 GTIN system, product variations can require distinct GTINs under the scheme's own management rules. The worked example used on this page treats style, colour and size variations as distinct trade items. That is a scheme rule, not a universal legal rule.",
 "last_verified": "2026-08-28",
 "verified_label": "Sources as at",
 "datePublished": "2026-08-28",
 "dateModified": "2026-08-28",
 "legislation": [],
 "primary_sources": [],
 "glossary_terms": [
  "https://activatedigital.ai/knowledge/glossary#access-rights",
  "https://activatedigital.ai/knowledge/glossary#data-carrier",
  "https://activatedigital.ai/knowledge/glossary#espr",
  "https://activatedigital.ai/knowledge/glossary#granularity",
  "https://activatedigital.ai/knowledge/glossary#gs1-digital-link",
  "https://activatedigital.ai/knowledge/glossary#gtin",
  "https://activatedigital.ai/knowledge/glossary#harmonised-standard",
  "https://activatedigital.ai/knowledge/glossary#implementing-act",
  "https://activatedigital.ai/knowledge/glossary#item-level-identity",
  "https://activatedigital.ai/knowledge/glossary#presumption-of-conformity",
  "https://activatedigital.ai/knowledge/glossary#resolver",
  "https://activatedigital.ai/knowledge/glossary#sku"
 ],
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