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International List of Competent Authorities and/or Contacts for the Transport of Dangerous Goods


Note: This list is provided for informational purposes only and is not all-inclusive. For purposes of competent authority approvals for transport in the United States, it should be noted that only those competent authorities officially recognized by the International Civil Aviation Organization (ICAO) or the International Maritime Organization (IMO) will be acceptable. This list may contain contacts which are for reference purposes only and are not officially recognized by ICAO or IMO.

Please contact the Office of the International Standards Coordinator, Office of Hazardous Materials Safety, Pipeline and Hazardous Materials Safety Administration, U.S. Department of Transportation, Washington, D.C. 20590, Tel. (202) 366-0656 or Fax (202) 366-5713 to notify us of any changes or updates to this information. A list of competent authorities for the purpose of the application of the European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR) is also available at:

Updated: Monday, November 20, 2017