15(1)The Board may establish committees for any purpose.
(2)Any committee established by the Board may establish sub-committees.
(3)The members of such committees or sub-committees may include persons who are not members of the Board.
(4)The members of a sub-committee may include persons who are not members of the committee.
(5)Sub-paragraphs (3) and (4) do not apply to the committee established under section 112 or any of its sub-committees.