GlossaryEN1 min readUpdated: Jun 26, 2026
GS1 GTIN
A GS1 GTIN (Global Trade Item Number) is a globally unique numeric identifier for trade items, assigned under the GS1 standard.
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Source: https://www.gs1.org/standards/get-barcodes
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Definition & Explanation
A GS1 GTIN (Global Trade Item Number) is a globally unique numeric identifier for trade items, assigned under the GS1 standard. It identifies a product consistently across all supply chain levels—from manufacturer to freight forwarder to retailer—and is encoded in barcodes (EAN, UPC), QR codes, or RFID tags. In freight and customs operations, the GTIN enables automated product identification within warehouse management and EDI systems, and ensures accurate product references on trade and customs documents. GTINs come in four formats (GTIN-8, GTIN-12, GTIN-13, GTIN-14) depending on the application and packaging level. It should not be confused with the GLN (Global Location Number), which identifies locations and business partners rather than products.
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