62 Laws of Malaysia ACT 709 (4) The Secretary to the Appeal Tribunal shall have the general control of the officers and servants of the Appeal Tribunal. (5) For the purposes of this Act, the Secretary to the Appeal Tribunal and the officers appointed under subsection (3) shall be deemed to be officers of the Appeal Tribunal. Tenure of office 87. A member of the Appeal Tribunal appointed under subsection 85(1) shall, unless he sooner resigns or vacates his office or his appointment is sooner revoked— (a) hold office for a term not exceeding three years; and (b) shall be eligible for reappointment upon the expiry of his term of office, but shall not be appointed for more than two consecutive terms. Resignation and revocation of appointment 88. (1) The Minister may at any time revoke the appointment of a member of the Appeal Tribunal and shall state the reason for such revocation. (2) A member of the Appeal Tribunal appointed under subsection 85(1) may at any time resign from his office by giving a written notice addressed to the Minister fourteen days prior to the intended date of resignation. Temporary exercise of functions of Chairman 89. (1) The Minister may temporarily appoint any member of the Appeal Tribunal to act as the Chairman for the period when— (a) the Chairman is by reason of illness, leave of absence or any other cause unable to perform his functions for any substantial period; or (b) the office of the Chairman is vacant.