24 CHAPTER VII THE NATIONAL ASSEMBLY Part 1 General Provisions Section 79. The National Assembly consists of the House of Representatives and the Senate. Joint or separate sittings of the National Assembly shall be in accordance with the provisions of the Constitution. No person shall concurrently be a Member of the House of Representatives and a Senator. Section 80. The President of the House of Representatives is President of the National Assembly. The President of the Senate is Vice-President of the National Assembly. In the case where there is no President of the House of Representatives, or the President of the House of Representatives is not present or is unable to perform his or her duties, the President of the Senate shall act as President of the National Assembly in his or her place. In the period where the President of the Senate has to act as the President of the National Assembly under paragraph two but there is no President of the Senate, and where such a case occurs when there is no House of Representatives, the Vice-President of the Senate shall act as the President of the National Assembly. If there is no Vice-President of the Senate, the Senator who is the oldest at the time shall act as the President of the National Assembly, and the President of the Senate shall expeditiously be elected. The President of the National Assembly shall have the duties and powers in accordance with the Constitution and shall conduct the proceedings of the National Assembly at joint sittings in accordance with the rules of procedure. The President of the National Assembly and the person who acts as President of the National Assembly in his or her place shall be impartial in the performance of duties. The Vice-President of the National Assembly shall have the duties and powers in accordance with the Constitution and as entrusted by the President of the National Assembly.