1Subject to paragraphs 2 to 4 below, a person shall hold and vacate office as a Commissioner or the Chairman in accordance with the terms of the instrument appointing him to that office.
2A person shall not be appointed as a Commissioner and a Commissioner shall not be appointed as the Chairman for a term of more than three years; but a person may be reappointed as a Commissioner and a Commissioner may be reappointed as the Chairman on or after the date on which he ceases to be a Commissioner or, as the case may be, ceases to be the Chairman.
3(1)A person may at any time resign his office as a Commissioner or the Chairman by giving to the Secretary of State a notice in writing signed by that person and stating that he resigns that office.
(2)If the Chairman ceases to be a Commissioner he shall cease to be the Chairman.
4If the Secretary of State is satisfied that a Commissioner—
(a)has been absent from the meetings of the Commission for a period longer than six consecutive months without the permission of the Commission ; or
(b)is incapacitated by physical or mental illness; or
(c)is otherwise unable or unfit to discharge the functions of a Commissioner,
the Secretary of State may declare his office as a Commissioner to be vacant and shall notify the declaration in such manner as the Secretary of State thinks fit; and thereupon the office shall become vacant.