This Act may be cited as the British Nationality Act 1981.
This Act, except the provisions mentioned in subsection (3), shall come into force on such day as the Secretary of State may by order made by statutory instrument appoint; and references to the commencement of this Act shall be construed as references to the beginning of that day.
Section 49 and this section shall come into force on the passing of this Act.
This Act extends to Northern Ireland.
The provisions of this Act, except those mentioned in subsection (7), extend to the Islands and all British overseas territories ; and section 36 of the Immigration Act 1971 (power to extend provisions of that Act to Islands) shall apply to the said excepted provisions as if they were provisions of that Act.
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The provisions referred to in subsections (5) . . . are—