58 The Constitution of the Democratic Socialist Republic of Sri Lanka when the President certifies that the Bill or provision thereof has been so approved. The President shall endorse on every Bill so approved a certificate in the following form: “This Bill/provision has been 53[duly approved by the People at a Referendum.” No such certificate shall be endorsed by the President on a Bill (a) in any case where no petition is filed challenging the validity of the Referendum at which such Bill was approved by the People, until after the expiration of the period within which a petition may be filed, under the law applicable in that behalf, challenging the validity of such referendum; (b) in any case where a petition is filed challenging the validity of the Referendum at which such Bill was approved by the People, until after the Supreme Court determines that such Referendum was valid.] Every such certificate shall be final and conclusive and shall not be called in question in any court. (3) Where a Bill becomes law upon the certificate of the President or the Speaker, as the case may be being endorsed thereon, no court or tribunal shall inquire into, pronounce upon or in any manner call in question, the validity of such Act on any ground whatsoever. Expulsion of Members and imposition of civic disability 53 - 81. (1) Where a Special Presidential Commission of Inquiry established under the Special Presidential Commissions of Inquiry Law, No. 07 of 1978 and consisting of a member each of whom is a Judge of the Supreme Court, Court of Appeal, High Court or the District Court recommends that any person should be made subject to civic disability by reason of any act done or omitted to be done by such person before or after the commencement of the Constitution, Parliament may by resolution pass by not less than two-thirds of the whole number Substituted by the Fourteenth Amendment to the Constitution Sec. 4 for “duly approved by the People at a Referendum”.