Change of https://www.gov.uk/government/publications/form-bos-guidance

Change description : 2026-03-06 12:02:00: Updated the ‘Travelling to and from the UK after registering’ section. [Guidance and regulation]

Showing diff : 2025-04-22 09:26:36.518407314 +00:00..2026-03-06 12:02:57.663498570 +00:00

Guidance

Form B(OS): guidance

Guidance to register as a British citizen if you have certain other types of British nationality.

From:
UK Visas and Immigration
Published
22 March 2019
Last updated
226 AprilMarch 20252026 — See all updates

Documents

Form B(OS): guidance (accessible)

HTML

Form B(OS): guidance

PDF, 183226 KB, 17 pages

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Details

Read the B(OS) guidance to find out if you can register as a British citizen if you are a British Overseas citizen, British subject, British protected person, or British National (Overseas) and have no other citizenship or nationality.

Updates to this page

Published 22 March 2019
Last updated 226 AprilMarch 20252026 + show all updates

  2. Updated information about biometric enrolment, citizenship ceremonies and citizenship-related queries and added a new section about digital status.

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Update history

2026-03-06 12:02
Updated the ‘Travelling to and from the UK after registering’ section.

2025-04-22 10:26
Updated information about biometric enrolment, citizenship ceremonies and citizenship-related queries and added a new section about digital status.

2024-07-24 01:00
Added a section on application processing times, and added more details to the section on travelling to and from the UK after registering.

2023-10-04 00:01
Document format and style updated. Outdated information removed or updated accordingly. References and links to fees updated.

2022-02-22 09:22
Accessible HTML version added.