The foundational GS1 standard that defines how identification keys, data attributes and barcodes must be used in business applications.
The latest version (currently version 26.0.0) is always available at https://ref.gs1.org/standards/genspecs/. Permanent links to specific versions are listed below.
- Version 1977
- Published January 1977
- https://ref.gs1.org/standards/genspecs/1977/
- Version 1987
- Published January 1987
- https://ref.gs1.org/standards/genspecs/1987/
- Version 0.0.0
- Published January 2000
- https://ref.gs1.org/standards/genspecs/0.0.0/
- Version 1.0.0
- Published January 2001
- https://ref.gs1.org/standards/genspecs/1.0.0/
- Version 2.0.0
- Published January 2002
- https://ref.gs1.org/standards/genspecs/2.0.0/
- Version 3.0.0
- Published January 2003
- https://ref.gs1.org/standards/genspecs/3.0.0/
- Version 4.0.0
- Published January 2004
- https://ref.gs1.org/standards/genspecs/4.0.0/
- Version 5.0.0
- Published January 2005
- https://ref.gs1.org/standards/genspecs/5.0.0/
- Version 6.0.0
- Published January 2006
- https://ref.gs1.org/standards/genspecs/6.0.0/
- Version 7.0.0
- Published January 2007
- https://ref.gs1.org/standards/genspecs/7.0.0/
- Version 8.0.0
- Published January 2008
- https://ref.gs1.org/standards/genspecs/8.0.0/
- Version 9.0.0
- Published January 2009
- https://ref.gs1.org/standards/genspecs/9.0.0/
- Version 10.0.0
- Published January 2010
- https://ref.gs1.org/standards/genspecs/10.0.0/
- Version 11.0.0
- Published January 2011
- https://ref.gs1.org/standards/genspecs/11.0.0/
- Version 12.0.0
- Published January 2012
- https://ref.gs1.org/standards/genspecs/12.0.0/
- Version 13.0.0
- Published January 2013
- https://ref.gs1.org/standards/genspecs/13.0.0/
- Version 14.0.0
- Published January 2014
- https://ref.gs1.org/standards/genspecs/14.0.0/
- Version 15.0.0
- Published January 2015
- https://ref.gs1.org/standards/genspecs/15.0.0/
- Version 16.0.0
- Published January 2016
- https://ref.gs1.org/standards/genspecs/16.0.0/
- Version 17.0.1
- Published January 2017
- https://ref.gs1.org/standards/genspecs/17.0.1/
- Version 17.1.0
- Published June 2017
- https://ref.gs1.org/standards/genspecs/17.1.0/
- Version 18.0.0
- Published January 2018
- https://ref.gs1.org/standards/genspecs/18.0.0/
- Version 19.0.0
- Published January 2019
- https://ref.gs1.org/standards/genspecs/19.0.0/
- Version 19.1.0
- Published 28 June 2019
- https://ref.gs1.org/standards/genspecs/19.1.0/
- Version 20.0.0
- Published January 2020
- https://ref.gs1.org/standards/genspecs/20.0.0/
- Version 21.0.1
- Published January 2021
- https://ref.gs1.org/standards/genspecs/21.0.1/
- Version 22.0.0
- Published January 2022
- https://ref.gs1.org/standards/genspecs/22.0.0/
- Version 23.0.0
- Published January 2023
- https://ref.gs1.org/standards/genspecs/23.0.0/
- Version 24.0.0
- Published January 2024
- https://ref.gs1.org/standards/genspecs/24.0.0/
- Version 25.0.0
- Published January 2025
- https://ref.gs1.org/standards/genspecs/25.0.0/
- Version 26.0.0
- Published January 2026
- https://ref.gs1.org/standards/genspecs/26.0.0/