GS1 GDSN summary of changes for Major Release (1 Sept 2015) Download the current standard Business Message Standards Basic Party Synchronisation Catalogue Item Synchronisation (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: Sep 2015 Any questions? We can help you get started using GS1 standards. Contact your local office Get involved Standards Maintenance Groups (SMGs) improve existing standards List of working groups