76 The Constitution of the Democratic Socialist Republic of Sri Lanka a special majority is required for the passing of a Bill, the Speaker shall certify such Bill only if such Bill has been passed with such special majority: Provided further that where by virtue of Article 83, the Bill or any provision thereof requires the approval of the People at a Referendum, such certificate shall further state that the Bill or such provision shall not become law until approved by the People at a Referendum. When Bill becomes law 80. (1) Subject to the provisions of paragraph (2) of this Article, a Bill passed by Parliament shall become law when the certificate of the Speaker is endorsed thereon. (2) Where the Cabinet of Ministers has certified that any Bill or any provision thereof is intended to be submitted for approval by the People at a Referendum or where the Supreme Court has determined that a Bill or any provision thereof required the approval of the People at a Referendum or where any Bill is submitted to the People by Referendum under paragraph (2) of Article 85, such Bill or such provision shall become law upon being approved by the People at a Referendum in accordance with paragraph (3) of Article 85 only 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 56[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, 56 - Substituted by the Fourteenth Amendment to the Constitution Sec. 4.