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GS1 Identification keys

GS1 ID Keys give companies efficient ways to access information about items in their supply chains and share this information with trading partners.
ID Keys enable organisations to assign standard identifiers to products, documents, physical locations and more.
Because GS1 ID keys are globally unique, they can be shared between organisations, increasing supply chain visibility for trading partners.
To build a GS1 ID key, your organisation must become a member of GS1 and obtain a GS1 Company Prefix. This will form the basis of your ID keys.
There are 12 GS1 ID keys, allowing organisations to connect physical events and related information, as in the table below

ID KeyUsed to IdentifyExample
Global Trade Item Number (GTIN)Products and servicesCan of soup, chocolate bar, music album
Global Location Number (GLN)Parties and locationsCompanies, warehouses, factories, stores
Serial Shipping Container Code (SSCC)Logistics unitsUnit loads on pallets, roll cages, parcels
Global Returnable Asset Identifier (GRAI)Returnable assetsPallet cases, crates, totes
Global Individual Asset Identifier (GIAI)AssetsMedical, manufacturing, transport and IT equipment
Global Service Relation Number (GSRN)Service provider and recipient relationshipsLoyalty scheme members, doctors at a hospital, library members
Global Document Type Identifier (GDTI)DocumentsTax demands, shipment forms, driving licences
Global Identification Number for Consignment (GINC)ConsignmentsLogistics units transported together in an ocean container
Global Shipment Identification Number (GSIN)ShipmentsLogistics units delivered to a customer together
Global Coupon Number (GCN)CouponsDigital coupons
Component/Part Identifier (CPID)Components and partsAutomobile parts
Global Model Number (GMN)product modelMedical devices