29. The Minister may, by order, declare to be a specified provision for the purpose of this Act any provision of—

(a) a regulation made under section 3 of the European Communities Act 1972, or

(b) a statutory instrument made for a purpose referred to in section 4(1) of the European Communities Act 2007,

that is made for the purpose of giving effect to a treaty or act referred to in section 2(1) of the European Communities Act 1972 that relates to the legality of—

(i) the entry of persons into the European Union,

(ii) the transit of persons through a Member State to another Member State, or

(iii) residence of persons in the European Union.