4.—(1) The Council shall, subject to sub-paragraph (4), appoint such committees as the Department may determine.
(2) A committee appointed under this paragraph may include persons who are not members of the Council.
(3) Every member of a committee appointed under this paragraph, who, at the time of his appointment, was a member of the Council shall, if he ceases to be a member of the Council, also cease to be a member of the committee.
(4) The Department may, by regulations or direction, make provision with respect to the appointment, constitution or functions of committees appointed under this paragraph.