A Bill to give effect to, and make provision in connection with, an agreement between the governments of the United Kingdom and the Republic of Mauritius concerning the Chagos Archipelago.
The bill aims to give legal effect to a UK–Mauritius agreement about the Chagos Archipelago, including Diego Garcia, and to make related provisions for the British Indian Ocean Territory. It has already passed the Commons and is now in the Lords, where MPs are scrutinising amendments proposed by the Lords and the reasons for them.
The Lords are presently considering the Commons amendments. If the Lords approve them, the bill could proceed to Royal Assent; if not, further negotiation would occur.
In the Commons, the bill enjoyed broad support at key votes, with third reading passing 320–171. On Lords amendments, the Commons voted to disagree with Amendments 1, 5 and 6 by large margins (e.g., 344–182; 347–184; 347–185). Party lines were mixed across votes, with MPs from several parties voting differently across stages.
Generated 21 February 2026
Based on 10 recorded votes • Sorted by % Aye
The House of Commons considered the Lords Amendments on Tuesday 20 January 2026 and have returned the Bill to the Lords with their reasons for disagreement.
What happens next?
Consideration of Commons amendments/reasons on the bill has yet to be scheduled.