Her Majesty may by Order in Council direct that any of the provisions of this Act shall have effect in relation to persons entering or seeking to enter the United Kingdom on arrival otherwise than by ship or aircraft . . . as they have effect in the case of a person arriving by ship or aircraft . . .; and any such Order may make such adaptations or modifications of those provisions, and such provisions supplementary thereto, as appear to Her Majesty to be necessary or expedient for the purposes of the Order.
The provision made by an Order in Council under this section may include provision for excluding the Republic of Ireland from section 1(3) of this Act either generally or for any specified purposes.
No recommendation shall be made to Her Majesty to make an Order in Council under this section unless a draft of the Order has been laid before Parliament and approved by a resolution of each House of Parliament.