Here you can find the basic technical documentation for GS1's standards for identification, data capture and information sharing.
This documentation is primarily aimed at technical staff and systems developers.
Identification, barcode and RFID labelling
The GS1 General Specifications is the basic rule book which describes the GS1 system and its use.
Download GS1 General Specifications (.pdf).
The GS1 Global User Manual describes the GS1 system in a simplified and more user-friendly way compared with the GS1 General Specifications.
Download GS1 Global User Manual (.pdf).
GS1 Electronic Data Interchange
GS1’s two standards for electronic commerce are GS1 EANCOM and GS1 XML. GS1 UN/CEFACT specifies how the GS1 system is used in UN/CEFACT XML messages.
GS1 EANCOM is an implementation of the UN/CEFACT EDIFACT standard.
Go to documentation for EANCOM'2002 Edition 2012 on GS1’s global website.
Go to documentation for EANCOM'97-2000
Download EDIFACT/EANCOM syntax rules 97-2000 (.pdf)
Go to documentation for GS1 XML on GS1’s global website
GS1 UN/CEFACT XML
Go to documentation for GS1 UN/CEFACT XML on GS1’s global website
GDSN is GS1’s standard for synchronising basic information on, for example, trade items, places and prices.
Go to documentation for GDSN on GS1’s global website
EPCIS is GS1’s standard for sharing event information.
Go to documentation for EPCIS on GS1’s global website