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Guidance

Treaty Action Bulletin: December 2025

Published 6 January 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.

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This publication is available at https://www.gov.uk/government/publications/treaty-action-bulletin-december-2025/treaty-action-bulletin-december-2025

1. Published in Country Series

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

2. Published in Treaty Series

Decisions No 1 & No 2 of the Southern African Customs Union and Mozambique and the United Kingdom of Great Britain and Northern Ireland Joint Council

3. Multilateral treaties: UK actions

European Charter for Regional or Minority Languages: declaration

Convention establishing an International Claims Commission for Ukraine: signature

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