Subject to sub-paragraph (2), the activities which are referred to in this Act as activities subject to additional controls are any activities which, so far as they are designated activities, are activities to which any one or more of the following paragraphs of this Part of this Schedule applies.

The Secretary of State may by order amend this Part of this Schedule for the purpose of adding or excluding any such activities as he thinks fit to or from those that fall to be regarded for the purposes of this Act as activities subject to additional controls.

The Secretary of State shall not make an order containing (with or without any other provision) any provision authorised by sub-paragraph (2) unless a draft of the order has been laid before Parliament and approved by a resolution of each House.