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GS1 Standards for identification

Unique GS1 numbers are used to uniquely identify all products or trade items, logistics units, locations and assets.  We have different GS1 Identification Keys that you need to use, depending on what you want to identify.

GS1 Identification Keys Used to Identify Examples

Global Trade Item Number (GTIN)

Products and services Can of soup, chocolate bar, music album

Global Location Number (GLN)

Parties and Locations Companies, warehouses, factories, stores

Serial Shipping Container Code (SSCC)

Logistics units Units loads on pallets, parcels

Global Returnable Asset Identifier (GRAI)

Returnable Assets Pallet cases, crates

Global Individual Asset Identifier (GIAI)

Assets Medical, manufacturing, transport and IT equipment

Global Service Relation Number (GSRN)

Service provider and recipient relationships Loyalty scheme members, doctors at a hospital, library members

Global Document Type Identifier (GDTI)

Documents Tax demands, shipment forms, driving licences

Global Identification Number for Consignment (GINC)

Consignments Logistics units transported together in an ocean container

Global Shipment Identification Number (GSIN)

Shipments Logistics units delivered to a customer together

Global Coupon Number (GCN)

Coupons Digital Coupons

Component / Part Identifier (CPID)

Components and parts Automobile parts


And you can put them together to identify everything in a supply chain, from manufacturer to consumer, like in this typical supply chain: