IATA Dangerous Good Regulations, 66th Edition, Effective 1 January – 31 December 2025. The IATA DGR is published annually in order to provide procedures for the shipper and the operator by which articles and substances with hazardous materials can be safety transported by air on all commercial air transport. The IATA Dangerous Goods Regulations is an easy-to-use manual based on the International Civil Aviation Organization (ICAO) Technical Instructions for the Safe Transport of Dangerous Goods by Air. Please note that this is not the newest edition; the 67th edition is now available for 2026.