4(1)The Secretary of State shall appoint one of the members of the council to be chairman of the council and may appoint a member to be deputy chairman.E+W+S
(2)The chairman, deputy chairman and other members of the council shall hold and vacate office in accordance with the terms of their appointment.
(3)A member of the council may, by notice in writing addressed to the Secretary of State, resign his membership, and the chairman and deputy chairman of the council may by such a notice resign their office as such without resigning their membership.