This section applies to any person who is a British overseas territories citizen, a British National (Overseas), a British Overseas citizen, a British subject under this Act or a British protected person.
A person to whom this section applies shall be entitled, on an application for his registration as a British citizen, to be registered as such a citizen if the following requirements are satisfied in the case of that person, namely—
So much of subsection (2)(a) as requires the person in question to have been in the United Kingdom at the beginning of the period there mentioned shall not apply in relation to a person who was settled in the United Kingdom immediately before commencement.
If in the special circumstances of any particular case the Secretary of State thinks fit, he may for the purposes of subsection (2) do all or any of the following things, namely—
Subsection (4B) applies where, on an application for registration as a British citizen made by a person to whom this section applies, the applicant has indefinite leave to enter or remain in the United Kingdom.
The Secretary of State may for the purposes of subsection (2) treat the applicant as fulfilling the requirement specified in subsection (2)(d), without enquiring into whether or not the applicant was in the United Kingdom in breach of the immigration laws in the period there mentioned.
The reference in subsection (4A) to having indefinite leave to enter or remain is to be construed in accordance with the Immigration Act 1971.
If, on an application for registration as a British citizen made by a person to whom this section applies, the Secretary of State is satisfied that the applicant has at any time served in service to which this subsection applies, he may, if he thinks fit in the special circumstances of the applicant’s case, cause him to be registered as such a citizen.
Subsection (5) applies to—
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