Guidance

Form RS1: guidance

How to apply to become a British citizen again after giving up (renouncing) citizenship.

Documents

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Details

Read the RS1 guidance to find out if you can apply to become a British citizen again after previously renouncing your British citizenship.

Updates to this page

Published 22 March 2019
Last updated 27 March 2025 show all updates
  1. Amended to reflect that expired BRPs can be used for 18 months as ID after the expiry date.

  2. Updated Form RS1: guidance to update the section on 'Citizenship ban' to reflect changes as a result of the Illegal Migration Act 2023.

  3. Document format and style updated. Outdated information removed or updated accordingly. References and links to fees updated.

  4. Accessible version added.

  5. Updated to reflect changes introduced by the Illegal Migration Act 2023.

  6. Added accessible version of document.

  7. First published.

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