The Global Returnable Asset Identifier is one of two GS1 Keys for asset identification. This GS1 Key is especially suitable for the management of reusable transport items, transport equipment, and tools and can identify these returnable assets by type and if needed also individually for tracking and sorting purposes.
You will find relevant application standards and guidelines listed below:
Transport & Logistics
GS1 Identification Keys in Transport & Logistics Guideline
GS1 Identification Keys in Transport & Logistics - Interactive User Guide
Identification of Components and Parts in the Rail Industry - Application Standard