9Powers to amend Act by order
(1)The Minister of Labour with the consent of the Treasury may by order—
(a)add to or remove from the employments to which section 1 or section 2 of this Act applies any employment specified in the order;
(b)specify the appropriate Minister for the purposes of the said section 2 in relation to any employment added to those to which that section applies ;
(c)amend the definition of the Standard Industrial Classification in section 10(1) of this Act by the substitution for the reference to the edition of that publication there specified of a reference to any later edition thereof or by providing for any such reference to include a reference to any specified list of amendments to the edition in question published by Her Majesty's Stationery Office.
(2)The Treasury may by order—
(a)add to or remove from the employers to whom section 3 of this Act applies any employer specified in the order, and for that purpose amend the provisions of Part I of Schedule 1 to this Act;
(b)amend the provisions of Part II or III of the said Schedule 1 ;
(c)add to or remove from the bodies and institutions specified in Schedule 2 to this Act any body or institution specified in the order.
(3)Any order under subsection (1) or subsection (2) of this section shall be made by statutory instrument and may be varied or revoked by a subsequent order under the subsection in question ; but—
(a)no order shall be made under the said subsection (1) unless a draft thereof has been approved by resolution of each House of Parliament; and
(b)any order made under the said subsection (2) shall be subject to annulment in pursuance of a resolution of either House of Parliament.