This tag is used for articles that discuss GS1 UN/CEFACT XML. Global Standards 1 (GS1) is a not for profit international organization that develops standards for multiple industries mostly related to supply chain operations. GS1 has three sets of EDI standards all of which complement each other. Some are based on subsets of other international EDI standards. The standards are GS1 EANCOM, GS1 XML, and GS1 UN/CEFACT XML.