3.—(1) A special agency may, subject to sub-paragraph (6), appoint one or more committees to which it may delegate such of its functions as it thinks fit.
(2) A committee appointed under this paragraph may include persons who are not members of the special agency.
(3) Every member of a committee appointed under this paragraph, who, at the time of his appointment, was a member of the special agency shall, if he ceases to be a member of the agency, also cease to be a member of the committee.
(4) A special agency, or a committee appointed by such an agency may, subject to sub-paragraph (6), appoint a sub-committee to consider and report to the agency or, as the case may be, the committee, upon any matter within the competence of that agency or committee.
(5) A sub-committee appointed under sub-paragraph (4) may include persons who are not members of the special agency or committee which appoints the sub-committee.
(6) The Department may, by regulations or directions, make provision with respect to the appointment, constitution or functions of committees and sub-committees appointed under this paragraph.