(1) Save as provided under Clause (3), whenever there is

54. (1) Save as provided under Clause (3), whenever there is a vacancy among members of the Senate or a casual vacancy among members of the House of Representatives, such vacancy or casual vacancy shall be filled within sixty days from the date on which it is established by the President of the Senate that there is a vacancy or by the Election Commission that there is a casual vacancy, as the case may be, and an election shall be held or an appointment made accordingly: Provided that failure to make any such appointment within the period specified in this Clause shall not invalidate any appointment made out of time: Provided further that, if a casual vacancy in the House of Representatives is established on a date within two years of the date Parliament shall, in accordance with Clause (3) of Article 55, stand dissolved, such casual vacancy shall not be filled unless the Speaker notifies the Election Commission in writing that the numerical strength of the party that constitutes a majority of all the members of the House of Representatives is being affected by such vacancy, in which event such vacancy shall be filled within sixty days from the date of the receipt of that notification. (2) (Repealed). (3) Where a vacancy among members of the Senate relates to a vacancy which shall be filled by a member who shall be elected by a State in accordance with the Seventh Schedule, the provisions of Clause (1) shall not apply to the filling of such vacancy. [Article 55] Federal Constitution 59 Summoning, prorogation and dissolution of Parliament