Standards GS1 Standards GS1 11 ID Keys GTIN Allocation Rule GLN Allocation Rules Serial Shipping Container Code GS1 Barcodes EPC / RFID GS1 Global Data Synchronisation Network (GDSN) GS1 EDI GS1 EPCIS (Electronic Product Code Information Services Sectors Retail Industries Apparel Fresh Food CPG / Grocery General Merchandise Healthcare Transport & Logistics Quick Start Guide on GS1 ID Keys in Transport & Logistics Foodservice Traceability