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Guidance

Naturalisation and registration certificates: caseworker guidance

Tells HM Passport Office staff how to deal with naturalisation and registration certificates issued by UKVI for British passport applications.

Updates to this page

From:
HM Passport Office
Published:
12 December 2022
Last updated:
2 October 2026
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  1. This guidance has been updated in the section British nationality certificate is not showing on Atlas to tell examiners to contact QuESt (Quality and Examination Support team) when a certificate issued after 30 September 1986 is not on Atlas and with a new section that tells HM Passport Office staff how to check a British nationality certificate with the Channel Islands and Isle of Man and in the section When the Citizenship team change a British nationality certificate, to give examples of when the Citizenship team will amend a British nationality certificate.

  2. A list of changes is in the 'changes from last version of this guidance' section.

  3. This guidance has been updated and full list of changes can be found in the guide.

  4. First published.

Documents

Naturalisation and registration certificates

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Details

This guidance tells His Majesty’s Passport Office staff about how to accept and deal with naturalisation and registration certificates. It explains how to check details on certificates, how to confirm endorsements, what to do if details do not match Atlas how to query certificates with the Immigration and Citizenship Service, and when to continue with an application.

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