Any power to make orders under this Act is exercisable by statutory instrument.

No order containing provisions which add to, replace or omit any part of the text of an Act is to be made under section 26(2) unless a draft has been laid before, and approved by resolution of, the Parliament.

A statutory instrument containing an order under this Act (except sections 26(2) (where subsection (2) of this section applies) and 30) is to be subject to annulment in pursuance of a resolution of the Parliament.

Directions under sections 10(4) and 19(4) and paragraph 6 of schedule 3 are to be given in writing and may be varied or revoked by subsequent directions under the same provision.