International treaty

Treaty Action Bulletin: March 2026

Published 1 April 2026

© Crown copyright 2026

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

1. Published in Country Series

Agreement between the United Kingdom of Great Britain and Northern Ireland and the Italian Republic on the Transfer of Sentenced Persons

Decision No 1/2026 of the United Kingdom-Morocco Association Council of 16 March 2026 Amending Protocol 4 concerning the definition of the concept of ‘originating products’ and methods of administrative cooperation to the Agreement establishing an Association between the United Kingdom of Great Britain and Northern Ireland and the Kingdom of Morocco

2. Published in Miscellaneous Series

2022 Headquarters Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the International Oil Pollution Compensation Fund 1992

2022 Headquarters Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the International Oil Pollution Compensation Supplementary Fund 2003

3. Published in Treaty Series

Agreement between the United Kingdom of Great Britain and Northern Ireland and the Republic of Slovenia on the Termination of the Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Republic of Slovenia for the Promotion and Protection of Investments, done at Ljubljana on 3 July 1996

Decision No.1/2026 of the Joint Committee established by the Agreement on the Withdrawal of the United Kingdom of Great Britain and Northern Ireland from the European Union and the European Atomic Energy Community

Exchange of Notes concerning the Agreement between the United Kingdom of Great Britain and Northern Ireland and the Swiss Confederation on Mutual Recognition in Relation to Conformity Assessment, done at London on 17 November 2022

Air Services Agreement between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Kingdom of Saudi Arabia

Agreement on defence export controls

Convention between the United Kingdom of Great Britain and Northern Ireland and the Republic of Peru for the Elimination of Double Taxation with respect to Taxes on Income and on Capital Gains and the Prevention of Tax Evasion and Avoidance

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

4. Multilateral treaties: UK actions

Convention on the Taking of Evidence Abroad in Civil or Commercial Matters: acceptance of accession of various States (PDF, 444 KB)

Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES): reservations and withdrawal of reservations (see notification dated 17 March 2026)

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