that time holding the office of President of Zanzibar or the office of Prime Minister of the United Republic. (6) The Vice-President shall not at the same time be a Member of Parliament, Prime Minister of the United Republic or President of Zanzibar. (7) Where a person who is Prime Minister or President of Zanzibar is appointed or elected to be Vice-President of the United Republic he shall cease to hold the office of Prime Minister or President of Zanzibar, as the case may be. (8) The Vice-President shall perform his duties under the direction and supervision of the President and shall provide leadership and be answerable to the President in respect of any matters or functions assigned to him by the President. Time of assumption of office of the Vice-President Act No.34 of 1994 Art.11 48.-(1) The Vice-President shall assume the office of Vice-President on the same day the President assumes office. (2) The Vice-President appointed in accordance with Article 50(4) shall take oath and assume office after his appointment is confirmed by the National Assembly. Oath of office of the VicePresident Act No.34 of 1994 Art.11 49. The Vice-President shall, before assuming office, make and subscribe before the Chief Justice of the United Republic the oath of allegiance and such other oath relating to the execution of the functions of his office as may be prescribed by an Act of Parliament. Tenure of office of VicePresident Act No.15 of 1984 Art.9 Act No.34 of 1994 Art.11 Act No.12 of 1995 Art.6 Act No.3 of 2000 Art.10; G.N.No.133 of 2001 50.-(1) Unless he sooner resigns or dies, a person elected or appointed in accordance with Article 37(5), to be Vice-President, shall, subject to the other provisions of this Article, hold office for a period of five years from the day he is elected Vice-President. (2) The Vice-President shall hold office until ­ (a) his tenure of office expires; (b) he dies while in office; (c) he resigns; (d) he is sworn in as President after the office of President falls vacant; (e) he is convicted of any criminal offence disclosing lack of honesty or loyalty; (f) when another President is sworn in to hold the office of President together with his Vice-President; (g) he is removed from office following his impeachment by the National Assembly in accordance with the provisions of subarticle (3) of this Article; or (h) he otherwise ceases to hold the office of Vice-President in accordance with the provisions of this Constitution. (3) The National Assembly shall have the same power to remove the Vice-President from office as it has in relation to the President save that any motion to impeach the Vice-President shall be moved before the National Assembly only if it is alleged that ­ (a) the President has submitted a certificate to the Speaker stating that 35