6(1)A person shall hold and vacate office as a member or as chairman or deputy chairman of the Authority in accordance with the terms of his appointment and shall, on ceasing to be a member, be eligible for re-appointment.E+W+N.I.
(2)A person may at any time by notice in writing to the Secretary of State resign his office as a member or as chairman or deputy chairman of the Authority.
7E+W+N.I.The Secretary of State may, if satisfied that a member of the Authority—
(a)has been absent from meetings of the Authority for a continuous period of more than six months without the permission of the Authority, or
(b)is unable or unfit to discharge the functions of a member,
remove him from office by giving him notice in writing and thereupon the office shall become vacant.
8E+W+N.I.If the chairman or deputy chairman of the Authority ceases to be a member of the Authority, he shall also cease to be chairman or deputy chairman.