3.—(1) A person shall hold and vacate his office as chairman, deputy chairman or other member of the Commission in accordance with the terms of his appointment; but no such appointment shall be for a period exceeding 5 years in the case of the chairman and 3 years in the case of another member.
(2) With the consent of the Commissioner concerned, the Head of the Department may alter the terms of an appointment so as to make a full-time Commissioner into a part-time Commissioner or vice versa, or for any other purpose.
(3) A person may at any time resign office as chairman, deputy chairman or other member of the Commission by notice to the Head of the Department.
(4) Past service as chairman, deputy chairman or other member of the Commission is no bar to re-appointment.