(a) the incumbent President of the Republic, or his successor, shall be the President and Commander-in-Chief of the Sudan Armed Forces in accordance with this Constitution, (b) the Chairman of the Sudan People’s Liberation Movement, or his successor, shall be the First Vice President and shall at the same time be the President of Government of Southern Sudan and Commander-in-Chief of the Sudan People’s Liberation Army in accordance with this constitution. Vacancy of the Office of the President before Elections 66. Should the Office of the President of the Republic fall vacant before the elections:(a) the functions of the President of the Republic shall be assumed by a Presidential Council comprising the Speaker of the National Assembly and the two Vice Presidents, (b) the Speaker of the National Assembly shall be chairperson to the Presidential Council, (c) the Presidential Council shall take its decisions by consensus, (d) the Vice President shall be Commander-in-Chief of the Sudan Armed Forces, (e) notwithstanding Article 52 above or any other provision in this Constitution, the Office of the President shall be filled by the nominee of the National Congress Party within two weeks of the date of the occurrence of such vacancy. Vacancy of the Office of the President after Elections 67. Should the office of the President of the Republic fall vacant after the elections:(a) the functions of the President of the Republic shall be assumed by the Presidential Council referred to in Article 66 (a) above, (b) the First Vice President shall be the chairperson of the Presidential Council, (c) the Presidential Council shall take its decisions by consensus, (d) the First Vice President or the Vice President, whoever of them is from the North, shall be the Commander-in-Chief of the Sudan Armed Forces, (e) the Post of the President of the Republic shall be filled through elections that shall be conducted within sixty days in accordance with Article 52 of this Constitution. 25