13.—(1) Subject to any directions given by the Welsh Ministers, HEIW may, and if so directed by the Welsh Ministers must, appoint committees of HEIW.
(2) A committee of HEIW may consist wholly or partly of members of HEIW or wholly of persons who are not members of HEIW.
(3) Subject to any directions given by the Welsh Ministers or by HEIW, a committee appointed under this regulation may, and if so directed by the Welsh Ministers, must appoint sub-committees.
(4) A sub-committee of HEIW may consist wholly or partly of members of a committee (whether or not members of HEIW) or wholly of persons who are not members of HEIW or a committee.
(5) Subject to any directions given by the Welsh Ministers, regulation 6 applies to the appointment of members of committees and sub-committees as it applies to the appointment of members of HEIW.