The Constitution of the Democratic Socialist Republic of Sri Lanka 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. 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 of Members (including those not present) voting in its favour (a) impose civic disability on such person for a period not exceeding seven years; and (b) expel such person from Parliament, if he is a Member of Parliament. Expulsion of Members and imposition of civic disability 77