Changes to hazardous material shipping regulations in 2023


The International Air Transport Association (IATA) published updated regulations manuals for 2023, which may impact University units and departments that ship dangerous goods by air. Notable changes include:

  • Package dangerous goods with other goods: A package containing dangerous goods in excepted quantities may also contain goods not subject to the regulations (refer to paragraph
  • Maximum quantity of batteries on cargo aircraft limited to 400 Kg per package: The maximum net quantity per package on cargo aircraft only has changed from “NO LIMIT” to 400 Kg and items must be packed in a UN specification packaging; applies to UN2794 (Batteries, wet, filled with acid), UN2795 (Batteries, wet, filled with alkali), and UN 3292 (Cells containing sodium) in paragraph 4.2.
  • Special Provision added to items on the List of Dangerous Goods: Special Provision A154 was added to the entries for UN3171 (Battery-powered vehicles), UN3528, UN3529, and UN3530 (Engines and machinery), UN2990 and UN3072 (Life-saving appliances), and UN3166 (Vehicles) in paragraph 4.2.
  • Packing Instructions for batteries installed in equipment: PI 870 was revised to remove reference to the packing provisions for batteries installed in equipment. Where batteries are installed in equipment, the correct classification is UN3171, Battery-powered equipment and PI 952 applies.

If you ship hazardous materials by air, be sure to carefully review the changes. If you any questions, feel free to contact EH&S Environmental Programs at

Visit the Shipping Hazardous Materials webpage for additional information.