Tanzania, United Republic of

(1) There shall be a Prime Minister of the United Republic who shall be appointed by the President in accordance with the provisions of this Article and who, before assuming his office, shall take and subscribe before the President such oath of office of Prime Minister as may be prescribed by Parliament.
(2) As soon as possible, and in any case within fourteen days after assuming office, the President shall appoint a Member of Parliament elected from a constituency from a political party having a majority of members in the National Assembly or, if no political party has a majority, who appears to have the support of the majority of the Members of Parliament, to be Prime Minister of the United Republic, and he shall not assume office until his appointment is first confirmed by a resolution of the National Assembly supported by a majority vote of the Members.
… (Art. 51)

(1) The Prime Minister shall have authority over the control, supervision and execution of the day-to-day functions and affairs of the Government of the United Republic.
(2) The Prime Minister shall be the Leader of Government business in the National Assembly.
(3) In the exercise of his authority, the Prime Minister shall perform or cause to be performed any matter or matters which the President directs to be done. (Art. 52)

(1) There shall be a Cabinet the members of which shall be the Vice-President, the Prime Minister, the President of Zanzibar, and all the Ministers.
… (Art. 54)

(1) All Ministers who are members of Cabinet by virtue of Article 54 shall be appointed by the President after consultation with the Prime Minister and they shall be responsible for such offices as the President may, from time to time, by writing under his hand and the Public Seal, establish.
(2) In addition to the Ministers referred to in subarticle (1) the President may, after consultation with the Prime Minister, appoint Deputy Ministers. All Deputy Ministers shall not be members of Cabinet.
(3) The President may appoint any number of Deputy Ministers who shall assist Ministers in the discharge of their duties and functions.
(4) All Ministers and Deputy Ministers shall be appointed from among Members of Parliament.
… (Art. 55)