2Consequential nationality provisions
(1)A person who is registered as a British citizen by virtue of section 1(1) above shall be treated for the purposes of the [1981 c. 61.] British Nationality Act 1981 (in this Act referred to as “the principal Act”) as a British citizen otherwise than by descent; and a person who is registered as a British citizen by virtue of Schedule 2 to this Act shall be treated for the purposes of that Act as a British citizen by descent.
(2)A British Dependent Territories citizen shall cease to be such a citizen if he becomes, or has before the coming into force of this subsection become, a British citizen by virtue of this Act.
(3)The following provisions of the principal Act shall have effect as if this Act were included in that Act—
section 37 (Commonwealth citizenship)
section 40 (deprivation of citizenship)
section 41 (regulations) other than subsection (2)
section 42 (general provisions about registration etc.)
section 44(1) (discretions to be exercised without regard to race, colour or religion)
section 45 (evidence)
section 46 (offences)
section 47 (legitimated children)
section 48 (posthumous children)
section 50 (interpretation).