Any power of the Secretary of State or the Minister of Agriculture, Fisheries and Food under this Act to make regulations or orders shall be exercisable by statutory instrument; but this subsection does not apply to orders under section 72 above or paragraph 4 of Schedule 3.

A statutory instrument containing regulations under this Act shall be subject to annulment in pursuance of a resolution of either House of Parliament.

Except in the cases specified in subsection (4) below, a statutory instrument containing an order under this Act shall be subject to annulment in pursuance of a resolution of either House of Parliament.

Subsection (3) above does not apply to an order under section 130(4), 131(3) or 138(2) above or section 164(3) below.

Any power conferred by this Act to give a direction shall include power to vary or revoke the direction.

Any direction given under this Act shall be in writing.