Policy paper

The UK-US Defense Trade Cooperation Treaty

The UK must follow set procedures and practices when handling certain types of US information.



The UK Ministry of Defence and the US Department of Defense signed the UK-US Defense Trade Cooperation Treaty in 2007. Under the terms of this treaty, the UK must follow set procedures when dealing with “Defense Articles”.

“Defense Articles” means articles, services, and related technical data, including software, in tangible or intangible form, listed on the United States Munitions List of the International Traffic in Arms Regulations, as modified or amended.

This document was updated in 2018 to amend references to the Data Protection Act (DPA) and replace those references in line with the General Data Protection Regulations (GDPR). You can view the previous version of this document.

Published 22 May 2018
Last updated 20 April 2020 + show all updates
  1. Publication of updated document.

  2. First published.