Guidance

Dual nationality: caseworker guidance

Tells HM Passport Office staff about people who hold dual nationality.

• From: HM Passport Office and Home Office
• Published: 19 January 2010
• Last updated: 13 October 2025 — See all updates

Documents

Dual nationality

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Details

This guidance tells HM Passport Office staff about customers who have dual nationality, including:

• what dual nationality is
• our policy on customers who have dual nationality

Published 19 January 2010

Last updated 13 October 2025 + show all updates

1. 13 October 2025

   Updated to make it clear the UK allows dual nationality.

2. 9 November 2022

   Version 3.0 of guidance added.

3. 22 February 2021

   Updated guidance published.

4. 19 January 2010

   First published.