Skip to main content
Guidance

Treaty Action Bulletin: September 2026

Published 1 October 2026

© Crown copyright 2026

This publication is licensed under the terms of the Open Government Licence v3.0 except where otherwise stated. To view this licence, visit nationalarchives.gov.uk/doc/open-government-licence/version/3 or write to the Information Policy Team, The National Archives, Kew, London TW9 4DU, or email: psi@nationalarchives.gov.uk.

Where we have identified any third party copyright information you will need to obtain permission from the copyright holders concerned.

This publication is available at https://www.gov.uk/government/publications/treaty-action-bulletin-september-2026/treaty-action-bulletin-september-2026

1. Published in the Country Series

Air Service Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of Costa Rica

Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Republic of North Macedonia concerning Air Services

Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Republic of Rwanda concerning Air Services

Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Republic of Seychelles concerning Air Services

Agreement between the United Kingdom of Great Britain and Northern Ireland and the Swiss Confederation on Mutual Recognition in Relation to Conformity Assessment

2. Published in the Miscellaneous Series

Constitution of the United Nations Industrial Development Organization

3. Published in the Treaty Series

Agreement between the United Kingdom of Great Britain and Northern Ireland and the Portuguese Republic on the Protection of Classified Information

Amendment to the Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America for Cooperation on the Uses of Atomic Energy for Mutual Defense Purposes

Agreement between the United Kingdom of Great Britain and Northern Ireland and the United States of America on Trade in Wine

4. Multilateral treaties: UK actions

Amendment to the Convention on Supplementary Compensation for Nuclear Damage: ratification (the depositary’s website does not yet provide a status list)

Back to top