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Chagos Islands: USA

Asked by Sir Julian LewisConservativeForeign, Commonwealth and Development OfficeTabled Answered 10 February 2026UIN 110708

The question

To ask the Secretary of State for Foreign, Commonwealth and Development Affairs, whether (a) she and (b) her immediate predecessor had discussions with their United States counterparts on the opt-out provisions applying to (i) Diego Garcia and (ii) the Chagos Islands as a whole as set out in (A) Article 298 of the United Nations Convention on the Law of the Sea, (B) Article 48 of the Constitution of the International Telecommunication Union and (C) the Commonwealth Reservation to the International Court of Justice.

Answered by Stephen Doughty

The Government's legal position regarding the British Indian Ocean Territory has been published and discussed at length in both Houses of Parliament. Our international partners are fully aware of our position and the security and operational implications. The agreement between the UK and Mauritius secures the US-UK base and operations on Diego Garcia.

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