GS1 GDSN standards 3.1 GS1 GDSN enables trading partners to share and exchange trusted product data. More about GDSN Business Message Standards Basic Party Synchronisation Catalogue Item Synchronisation (1 Sept 2015) GS1 GDSN summary of changes for Major Release (1 Sept 2015) Price Synchronisation (1 Sept 2015) Shared Common Library Synchronisation of Future Version Information Trade Item Authorisation (1 Sept 2015) Trade Item Modules Library (1 Sept 2015) Module Schemas Trade Item Module Schemas (1 Sept 2015) About this standard This version: 3.1 Publication date: May 2016 View current version Current Version Maintenance release 3.1.23 (May 2023) Future Version Maintenance release 3.1.24 (August 2023) Legacy Version Maintenance release 3.1.22 (February 2023) Any questions? We can help you get started using GS1 standards. Contact your local office