Section 4: Tenure of office.

(1) The Chairman and members other than the ex-office members shall hold office for a period of 4 years and may be eligible, for re-appointment for another term of 4 years.
(2) The office of the Chairman or any member of the Council shall become vacant if:
(a) he resigns his office by notice in writing under his hand addressed to the office of the President of the Senate;
(b) the President of the Senate, in consultation with the Speaker of the House of Representatives on the recommendation of the Chairman of the Council is satisfied that it is not in the interest of the Institute for the person to continue in office and notifies the member in writing to that effect; or
(c) he is incapable of performing the functions of his office by reason of disease or infirmity and has been so declared by a medical practitioner.