The Constitution of the Democratic Socialist Republic of Sri Lanka 27 validity of a referendum or to proceedings in the Court of Appeal under Article 144 or in the Supreme Court, relating to the election of a Member of Parliament: Provided that any such proceedings in relation to the exercise of any power pertaining to any such subject or function shall be instituted against the Attorney-General.] 36. (1) Within one month of the commencement of the Constitution, Parliament shall by resolution determine the salary, allowances and pension entitlement of the holders of the office of President. Such pension shall be in addition to any other pension to which such person is entitled by virtue of any prior service. Salary and Pension (2) Upon the assumption of the office of President the holder of such office shall become entitled to the receipt of such salary and allowances and thereafter, of such pension as may be determined by Parliament. Any subsequent amendment, repeal or replacement of this Article and any subsequent law or any provision thereof inconsistent with this Article shall not have retrospective operation. (3) The salary, allowances and pension of the President shall be charged on the Consolidated Fund. (4) Parliament may by resolution increase, but shall not reduce, the salary, allowances or pension entitlement of the holders of the office of President. 37. (1) If the President is of the opinion that by reason of illness, absence from Sri Lanka or any other cause he will be unable to exercise, perform and discharge the powers, duties and functions of his office, he may appoint the Prime Minister to exercise, perform and discharge the powers, duties and functions of the office of President during such period and may also appoint one of the other Ministers of the Cabinet to act in the office of Prime Minister during such period: Provided that if the office of Prime Minister be then vacant or the Prime Minister is unable to act, the President may appoint the Speaker to and the powers, duties and functions of the office of president during such period. (2) If the Chief Justice in consultation with the Speaker is of the opinion that the President is temporarily unable to exercise, perform and discharge the powers, duties and Exercise, performance and discharge of powers, duties and functions of the President by the Prime Minister