Subject to subsection (3), the Secretary of State may, in the case of any of his functions under this Act with respect to any of the matters mentioned in subsection (2), make arrangements for that function to be exercised—
in any of the Islands, by the Lieutenant-Governor in cases concerning British citizens or British citizenship;
in any British overseas territory. . . , by the Governor in cases concerning British overseas territories citizens or British overseas territories citizenshipand in cases concerning British Nationals (Overseas) or the status of a British National (Overseas)
The said matters are—
registration and naturalisation; and
renunciation, resumption and deprivation of British citizenship or British overseas territories citizenship.
renunciation and deprivation of the status of a British National (Overseas).
Nothing in this section applies in the case of any power to make regulations or rules conferred on the Secretary of State by this Act.
Arrangements under subsection (1) may provide for any such function as is there mentioned to be exercisable only with the approval of the Secretary of State.