4.—(1) A person shall hold and vacate office as a member or as chairman of the Council in accordance with the terms of his appointment and shall, on ceasing to be a member, be eligible for re-appointment.
(2) A member shall be deemed to have vacated his office and the Council shall declare his place vacant in the following circumstances—
(a)where he gives to the Head of the Department a notice in writing of his resignation;
(b)where he becomes bankrupt or makes a composition with his creditors;
(c)where, in the opinion of the Head of the Department, he becomes unable or unfit to discharge the functions of a member and the Head of the Department so informs the Council in writing;
(d)where he is convicted of an indictable offence and is sentenced to a term of imprisonment of not less than three months; or
(e)where he fails, without leave of the Council, to attend any meetings of the Council or of a committee or sub-committee thereof for a period of 6 consecutive months.
(3) If the chairman or deputy chairman of the Council ceases to be a member of the Council, he shall also cease to be chairman or deputy chairman.