If, on an application for naturalisation as a British citizen made by a person of full age and capacity, the Secretary of State is satisfied that the applicant fulfils the requirements of Schedule 1 for naturalisation as such a citizen under this subsection, he may, if he thinks fit, grant to him a certificate of naturalisation as such a citizen.

If, on an application for naturalisation as a British citizen made by a person of full age and capacity who on the date of the application is married to a British citizen, F1or is the civil partner of a British citizen the Secretary of State is satisfied that the applicant fulfils the requirements of Schedule 1 for naturalisation as such a citizen under this subsection, he may, if he thinks fit, grant to him a certificate of naturalisation as such a citizen.

This section is subject to sections 31, 32 and 36 of the Illegal Migration Act 2023 (restriction of eligibility for citizenship etc).