Updates to this page
Published 22 March 2019
Last updated 20 July 2026
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Updated application processing times and information on returning your biometric residence permit (BRP).
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Updated the section ‘Travelling to and from the UK after becoming a British citizen’.
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Updated guidance to clarify: references to the applicant and deprivation of citizenship; registration under the BOTC(F) route; how someone became a British citizen; the definition of parents for nationality purposes; evidence of paternity; and application refusal due to not attending a ceremony within 90 days.
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Updated information on citizenship queries and ceremonies, the Immigration Advice Authority and added a new section on ‘Next steps’.
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Page summary amended to reflect the fact that form UKF can now be used by both people born before and after 1 July 2006.
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Updates to fees links and travel advice after becoming British.
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Document format and style updated. Outdated information removed or updated accordingly. References and links to fees updated.
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Updated the guidance.
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Added accessible version of guide.
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Updated guidance document published.
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First published.