7.—(1) Subject to such directions as may be given by the Secretary of State, the Authority may, and if so directed by him, shall, appoint committees of the Authority consisting wholly or partly of members of the Authority or wholly of persons who are not members of the Authority.
(2) A committee appointed under this regulation may, subject to such directions as may be given by the Secretary of State or the Authority, appoint sub-committees consisting wholly or partly of members of the committee (whether or not they are members of the Authority) or wholly of persons who are not members of the Authority or the committee.
(3) Subject to such directions as may be given by the Secretary of State, regulations 3 and 4 apply to the appointment of members of committees and sub-committees appointed under this regulation as they apply to the appointment of members of the Authority.