Subject to subsections (2) to (5), this Act extends to England and Wales, Scotland and Northern Ireland.
Her Majesty may by Order in Council provide for any of the provisions of Part 1 of this Act, and of sections 7 and 10 (so far as relating to that Part), to extend, with or without modifications, to—
A power listed in subsection (4) may be exercised so as to extend, with or without modifications, to any of the Channel Islands or the Isle of Man any repeal or other amendment, made by Part 1, of legislation to which the power relates.
The powers are the powers under any of the following provisions—
Regulations under section 5 may provide that an amendment, repeal or revocation made by those regulations has the same extent as the provision amended, repealed or revoked (ignoring extent by virtue of an Order in Council under any of the Immigration Acts).