Diego Garcia Military Base and British Indian Ocean Territory Bill
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.
Legislative progress
Commons
15 Jul 2025
1st reading
Commons
9 Sep 2025
2nd reading
Commons
9 Sep 2025
Programme motion
Commons
20 Oct 2025
Committee of the whole House
Commons
20 Oct 2025
3rd reading
Lords
21 Oct 2025
1st reading
Lords
4 Nov 2025
2nd reading
Lords
18 Nov 2025
Committee stage
Lords
5 Jan 2026
Report stage
Lords
12 Jan 2026
3rd reading
Commons
20 Jan 2026
Programme motion
Commons
20 Jan 2026
Consideration of Lords amendments
Lords
Consideration of Commons amendments and / or reasons
Bill documents
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Select Committee report Lords 25 Jun 20259th Report from the International Agreements Committee
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Bill Commons 15 Jul 2025Bill 285 2024-25 (as introduced)
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Explanatory Notes Commons 15 Jul 2025Bill 285 EN 2024-25
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Bill Commons 15 Jul 2025Bill 285 2024-25 (as introduced) - large print
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Explanatory Notes Commons 15 Jul 2025Bill 285 EN 2024-25 - large print
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Bill Commons 15 Jul 2025Bill 285 2024-25 (as introduced) - xml download
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Human rights memorandum Commons 15 Jul 2025Human Rights Memorandum
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Delegated Powers Memorandum Commons 15 Jul 2025Delegated Powers Memorandum from the Foreign, Commonwealth and Development Office
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Briefing papers Commons 5 Sep 2025Diego Garcia Military Base and British Indian Ocean Territory Bill 2024-25
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Briefing papers Commons 8 Sep 20252025 treaty on the British Indian Ocean Territory/Chagos Archipelago
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Amendment Paper Commons 10 Oct 2025Notice of Amendments as at 10 October 2025
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Amendment Paper Commons 10 Oct 2025Notice of Amendments as at 10 October 2025 - large print
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Amendment Paper Commons 14 Oct 2025Notices of Amendments as at 14 October 2025
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Amendment Paper Commons 14 Oct 2025Notices of Amendments as at 14 October 2025 - large print
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Amendment Paper Commons 15 Oct 2025Notices of Amendments as at 15 October 2025
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Amendment Paper Commons 15 Oct 2025Notices of Amendments as at 15 October 2025 - large print
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Amendment Paper Commons 16 Oct 2025Notices of Amendments as at 16 October 2025
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Amendment Paper Commons 16 Oct 2025Notices of Amendments as at 16 October 2025 - large print
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Amendment Paper Commons 17 Oct 2025Notices of Amendments as at 17 October 2025
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Amendment Paper Commons 17 Oct 2025Notices of Amendments as at 17 October 2025 - large print
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Amendment Paper Commons 20 Oct 2025Committee of the whole House Amendments as at 20 October 2025
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Amendment Paper Commons 20 Oct 2025Committee of the whole House Amendments as at 20 October 2025 - large print
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Selection of amendments: Commons Commons 20 Oct 2025Chairman of Ways and Means’s provisional grouping and selection of amendments - 20 October 2025
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Selection of amendments: Commons Commons 20 Oct 2025Chairman of Ways and Means’s provisional grouping and selection of amendments - large print - 20 October 2025
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Bill proceedings: Commons Commons 20 Oct 2025Committee of the whole House Proceedings as at 20 October 2025
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Bill Lords 21 Oct 2025HL Bill 139 (as brought from the Commons)
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Explanatory Notes Lords 21 Oct 2025HL Bill 139 Explanatory Notes
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Delegated Powers Memorandum Lords 22 Oct 2025Diego Garcia Military Base and British Indian Ocean Territory Bill: Delegated Powers Memorandum
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Briefing papers Lords 30 Oct 2025Diego Garcia Military Base and British Indian Ocean Territory Bill
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Amendment Paper Lords 5 Nov 2025HL Bill 139 Running list of amendments - 5 November 2025
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Amendment Paper Lords 13 Nov 2025HL Bill 139 Running list of amendments - 13 November 2025
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Select Committee report Lords 13 Nov 202537th Report of the Delegated Powers and Regulatory Reform Committee
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Amendment Paper Lords 14 Nov 2025HL Bill 139-I Marshalled list for Committee
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Amendment Paper Lords 17 Nov 2025HL Bill 139-I(a) Amendments for Committee (Supplementary to the Marshalled List)
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Amendment Paper Lords 19 Nov 2025HL Bill 139-I(b) Amendments for Committee (Supplementary to the Marshalled List)
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Amendment Paper Lords 20 Nov 2025HL Bill 139-I(c) Amendments for Committee (Supplementary to the Marshalled List)
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Select Committee report Lords 20 Nov 202514th Report of the Constitution Committee
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Amendment Paper Lords 21 Nov 2025HL Bill 139-II Second marshalled list for Committee
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Amendment Paper Lords 24 Nov 2025HL Bill 139-II(a) Amendments for Committee (Supplementary to the Second Marshalled List)
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Amendment Paper Lords 16 Dec 2025HL Bill 139-R Running list of amendments - 16 December 2025
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Amendment Paper Lords 18 Dec 2025HL Bill 139-R Running list of amendments - 18 December 2025
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Amendment Paper Lords 22 Dec 2025HL Bill 139-R Running list of amendments - 22 December 2025
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Select Committee report Lords 23 Dec 202543rd Report of the Delegated Powers and Regulatory Reform Committee
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Amendment Paper Lords 23 Dec 2025HL Bill 139-R-I Marshalled list for Report
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Amendment Paper Lords 2 Jan 2026HL Bill 139-R-I(a) Amendments for Report (Supplementary to the Marshalled List)
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Bill Lords 5 Jan 2026HL Bill 158 (as amended on Report)
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Amendment Paper Lords 8 Jan 2026HL Bill 158 Running list of amendments - 8 January 2025
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Will write letters Unassigned 8 Jan 2026Letter from Lord Coaker to Baroness Goldie and Lord Lilley regarding how the Government has taken account of the Pelindaba Treaty in relation to the UK-Mauritius Agreement concerning the Chagos Archipelago, as discussed during the Report stage.
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Amendment Paper Lords 9 Jan 2026HL Bill 158-I Amendment for Third Reading
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Bill Commons 13 Jan 2026Bill 364 2024-26 (Lords Amendments)
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Amendment Paper Commons 15 Jan 2026Notices of CCLA Amendments as at 15 January 2026
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Amendment Paper Commons 15 Jan 2026Notices of CCLA Amendments as at 15 January 2026 - large print
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Amendment Paper Commons 16 Jan 2026Notices of CCLA Amendments as at 16 January 2026
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Amendment Paper Commons 16 Jan 2026Notices of CCLA Amendments as at 16 January 2026 - large print
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Amendment Paper Commons 19 Jan 2026Notices of CCLA Amendments as at 19 January 2026
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Amendment Paper Commons 19 Jan 2026Notices of CCLA Amendments as at 19 January 2026 - large print
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Explanatory Notes Commons 19 Jan 2026Bill 364 EN 2024-26 (Lords Amendments)
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Explanatory Notes Commons 19 Jan 2026Bill 364 EN 2024-26 - large print (Lords Amendments)
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Briefing papers Commons 19 Jan 2026Diego Garcia Military Base and British Indian Ocean Territory Bill: Consideration of Lords amendments
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Amendment Paper Commons 20 Jan 2026Commons Consideration of Lords Amendments as at 20 January 2026
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Amendment Paper Commons 20 Jan 2026Commons Consideration of Lords Amendments as at 20 January 2026 - large print
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Selection of amendments: Commons Commons 20 Jan 2026Grouping of Lords Amendments by Secretary Yvette Cooper and Selection of Motions by Mr Speaker - 20 January 2026
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Selection of amendments: Commons Commons 20 Jan 2026Grouping of Lords Amendments by Secretary Yvette Cooper and Selection of Motions by Mr Speaker - large print - 20 January 2026
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Minutes of Reasons Committee Commons 20 Jan 2026Minutes of the Committee to draw up Reasons for disagreeing to Lords Amendments - 20 January 2026
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Bill proceedings: Commons Commons 20 Jan 2026Proceedings on consideration of Lords Amendments as at 20 January 2026
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Bill Lords 21 Jan 2026HL Bill 163 Commons Reasons
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Amendment Paper Lords 21 Jan 2026HL Bill 163(a) Motions for Consideration of Commons Reasons
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Amendment Paper Lords 22 Jan 2026HL Bill 163(b) Motion for Consideration of Commons Reasons
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Amendment Paper Lords 23 Jan 2026HL Bill 163(c) Motions for Consideration of Commons Reasons
Chamber debates
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Hansard 14 Apr 2026
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Hansard 13 Apr 2026
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Hansard 26 Jan 2026
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Hansard 26 Jan 2026
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Hansard 21 Jan 2026
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Hansard 20 Jan 2026
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Hansard 20 Jan 2026
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Hansard 12 Jan 2026
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Hansard 5 Jan 2026
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Hansard 25 Nov 2025
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Hansard 25 Nov 2025
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Hansard 18 Nov 2025
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Hansard 18 Nov 2025
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Hansard 11 Nov 2025
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Hansard 4 Nov 2025
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Hansard 21 Oct 2025
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Hansard 20 Oct 2025
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Hansard 9 Sep 2025
Committee debates
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Hansard 14 Apr 2026
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Hansard 13 Apr 2026
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Hansard 26 Jan 2026
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Hansard 26 Jan 2026
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Hansard 21 Jan 2026
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Hansard 20 Jan 2026
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Hansard 20 Jan 2026
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Hansard 12 Jan 2026
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Hansard 5 Jan 2026
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Hansard 25 Nov 2025
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Hansard 25 Nov 2025
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Hansard 18 Nov 2025
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Hansard 18 Nov 2025
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Hansard 11 Nov 2025
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Hansard 4 Nov 2025
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Hansard 21 Oct 2025
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Hansard 20 Oct 2025
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Hansard 9 Sep 2025