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GS1 Identification Keys

GS1 ID Keys allow companies to provide information about their goods by assigning standard identifiers to products, documents and locations. To establish a globally unique key, first register with GS1 for a GS1 Company Prefix, which is required as part of the ID Keys listed below. These ID Keys can be encoded in a GS1-128 Barcode or an RFID tag. The GS1-128 Barcode Font Suite meets ISO/IEC 15459 standards as required by GS1.org and contains 18 different Code 128 font sizes that precisely match any GS1-128 specification, including integrating Application Identifiers (AI) as needed.

GS1-Barcode ID Key Use Reference
CPID Component/Part Identifier Identify Components or Parts as part of final product CPID.pdf
GCN Global Coupon Number Digital Coupons or Loyalty Programs GCN.pdf
GDTI Global Document Type Identifier Identify Document and Class or Type GDTI.pdf
GIAI Global Individual Asset Identifier Identify an Asset GIAI.pdf
GINC Global Identification Number for Consignment Identify Consignment of Logistic Units GINC.pdf
GLN Global Location Number Identify Company Location or Origin GLN.pdf
GRAI Global Returnable Asset Identifier Identify a Returnable Asset GRAI.pdf
GSIN Global Shipment Identification Number Identify Shipper and Seller of Goods GSIN.pdf
GSRN Global Service Relation Number Identify Service Relationships GSRN.pdf
GTIN Global Trade Item Number Identify Consumer Products & Services GTIN.pdf
SSCC Serial Shipping Container Code Logistics SSCC.pdf

GS1-CPID

The Component - Part Identifier is used to identify an item that is part of a completed good, such as a component as part of a circuit board. The CPID structure is up to 30 characters and is set up as follows:

Application Identifier GS1 Company Prefix Item Identifier
4 Digit AI Variable (6-9 digits) Numeric Assigned by GS1.org Variable length alpha-numeric up to 21 Characters
8010 012345678 123456789012...[21]

GS1-GCN

The Global Coupon Number is used to identify coupons that can be received and retrieved electronically. The GCN structure is as follows:

Application Identifier GS1 Company Prefix Coupon Reference Check Digit Optional Serial Number
3 Digit AI 12 digits combined 1 digit Optional alpha-numeric up to 12 Characters
255 123456789012 # 123456789012

GS1-GDTI

The Global Document Type Identifier is used to identify individual documents, including the class and/or type of document. The GDTI structure is up to 30 characters and is set up as follows:

Application Identifier GS1 Company Prefix Asset Type Check Digit Optional Serial Number
3 Digit AI 12 digits combined 1 digit Optional alpha-numeric up to 17 Characters
253 123456789012 # 123456789012...[17]

GS1-GIAI

The Global Individual Asset Identifier is used to identify an individual asset within a business. The GIAI structure is up to 30 characters and is set up as follows:

Application Identifier GS1 Company Prefix Individual Asset Reference
4 Digit AI Variable (6-9 digits) Numeric Assigned by GS1.org Variable length alpha-numeric up to 21 Characters
8004 012345678 123456789012...[21]

GS1-GINC

The Global Identification Number for Consignment is used to identify specific units of a shipment whether it stays with the original shipment or not before making it to the final destination. The GINC structure is up to 30 characters and is set up as follows:

Application Identifier GS1 Company Prefix Serial Number
3 Digit AI Variable (6-9 digits) Numeric Variable length alpha-numeric up to 21 Characters
401 012345678 123456789012...[21]

GS1-GLN

The Global Location Number is used to identify a physical location or legal (functional) entity of a business. The GLN structure is 13 characters and is set up as follows:

GS1 Company Prefix Location Reference Check Digit
Variable (6-9 digits) Numeric Variable (3-6 digits) Numeric 1 digit
123456789012 #

GS1-GRAI

The Global Returnable Asset Identifier is used to identify a returnable asset, reusable packages or transport equipment. The GRAI structure is up to 30 characters and is set up as follows:

Application Identifier Leading 0 GS1 Company Prefix Asset Type Check Digit Optional Serial Number
4 Digit AI 0 12 digits combined 1 digit Optional alpha-numeric up to 16 Characters
8003 0 123456789012 # 123456789012...[16]

GS1-GSIN

The Global Shipment Identification Number is used to identify a shipment transported from seller to buyer. Each unit within the shipment will have a separate SSCC but the entire shipment will be identified under one Bill of Lading. The GSIN structure is up to 17 characters and is set up as follows:

Application Identifier GS1 Company Prefix Shipper Reference Check Digit
3 Digit AI 16 digits combined 1 digit
402 1234567890123456 #

GS1-GSRN

The Global Service Relation Number is used to identify a business relationship between a company and an individual, such as a club membership or loyalty program. The GSRN structure is 18 characters and is set up as follows:

Application Identifier GS1 Company Prefix Service Reference Check Digit
4 Digit AI 17 digits combined 1 digit
8018 12345678901234567 #

GS1-GTIN

The Global Trade Item Number is used to identify a trade items transported through the supply chain to the final user. A GTIN can be encoded using UPC-EAN, ITF-14, GS1-128, GS1 DataBar, and Data Matrix and can be 8, 12, 13, or 14 digits in length; however, GS1 recommends appending zeros to the beginning of the GTIN's to fill out to 14 characters.  The GTIN structure is as follows:

Indicator Digit GS1 Company Prefix Item Reference Check Digit
  # or 0 12 digits combined 1 digit
GTIN-8 0 000001234567 #
GTIN-12 0 012345678901 #
GTIN-13 0 123456789012 #
GTIN-14 1 234567890123 #

GS1-SSCC

The Serial Shipping Container Code is used to identify a specific unit as part of a larger shipment. The SSCC structure is 18 characters and is set up as follows:

Application Identifier Extension Digit GS1 Company Prefix Serial Reference Check Digit
2 Digit AI 1 digit (0-9) 16 digits combined 1 digit
00 0 1234567890123456 #

Additional GS1 Packages:

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