15(1)The person appointed to chair the Commission may authorise—
(a)any executive member of the Commission,
(b)any member of its staff, or
(c)subject to sub-paragraph (2), any of its committees,
to exercise on his or her behalf the functions under paragraph 4(2) or 7.
(2)Authority may not be given under sub-paragraph (1)(c) to a committee that includes a non-executive director; and authority given under that provision ceases to have effect if a non-executive director becomes a member of the committee concerned.