The official guide is available at IATA.org . Option 3: Other Technical Standards If neither of the above fits, "21681" might refer to:
Standards for determining the saponification value in binders for paints. Download Tips Download 21681 pdf
The identifier most commonly refers to a specific United States Federal Register document from 1995 or is part of broader regulatory guidance regarding the transport of hazardous materials. Option 1: Federal Register Document (1995) The official guide is available at IATA
Detailed requirements for shipping Lithium Ion, Lithium Metal, and Sodium Ion batteries by air. Download 21681 pdf
Standards for FlexRay-based vehicle network systems.
The 2026 edition is the latest for the 67th Edition of the IATA Dangerous Goods Regulations (DGR).
International standards for forestry machinery and portable chain-saws.