Change of https://www.gov.uk/government/publications/legitimacy-and-domicile

Change description : 2026-01-12 15:11:00: Updated to explain how we send the customer the domicile questionnaire, make a minor terminology change in relation to DNA testing for British passport applications and remove references to Application Management System (AMS). [Guidance and regulation]

Showing diff : 2025-02-05 10:38:38.124812169 +00:00..2026-01-12 15:11:18.739609865 +00:00

Guidance

Legitimacy and domicile: caseworker guidance

Tells HM Passport Office staff about legitimacy and domicile for customers born before 1 July 2006, where the claim to British nationality is through a father.

Documents

Legitimacy and domicile

Details

This guidance tells HM Passport Office staff about the laws on legitimacy and advises how to confirm a customer, born before 1 July 2006, is the legitimate child of their father, for nationality purposes.

It also tells staff how to confirm where the customer’s father was domiciled, if needed, to establish a claim to British nationality.

Updates to this page

Published 8 April 2022

Last updated 512 FebruaryJanuary 20252026 + show href="#full-history">+ show all updates
    1. This guidance has been updated: to better explain how legitimacy works in British nationality for people born before 1 July 2006 and includes examples to show this; to reflect a change of name for the Guidance team; to explain how we send the customer the domicile questionnaire.

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Update history

2026-01-12 15:11
Updated to explain how we send the customer the domicile questionnaire, make a minor terminology change in relation to DNA testing for British passport applications and remove references to Application Management System (AMS).

2025-02-05 10:38
This guidance has been updated: to better explain how legitimacy works in British nationality for people born before 1 July 2006 and includes examples to show this; to reflect a change of name for the Guidance team; to explain how we send the customer the domicile questionnaire.

2022-11-16 14:54
Updated guidance published.

2022-09-28 15:53
Accessible version added.

2022-04-08 10:30
First published.