General Specifications
The GS1 General Specifications is the core standards document of the GS1 system describing how GS1 barcodes and identification keys should be used.
Implementation Guides
Allocation Rules
The Allocation Rules Standard is designed to help industry make consistent decisions about the unique identification of supply chain elements.
GTIN
The Global Trade Item Number (GTIN) Management Standard is designed to help industry make consistent decisions about the unique identification of trade items in open supply chains.
GLN
The GLN Allocation Rules Standard and contained GLN Management Rules is designed to help industry make consistent decisions about the unique identification of parties and locations in open supply chains.
