3(1)The Secretary of State may designate one of the ordinary members of the Commission to be the deputy chair.
(2)The deputy chair is to act as chair—
(a)in the event of a vacancy in the office of chair,
(b)if the chair is unable to act, and
(c)in such other circumstances as the Commission may determine.
(3)The deputy chair may at any time resign as deputy chair by notice to the Secretary of State.