Guyana

Subject to the provisions of article 185, there shall be an office of Prime Minister and such offices of Vice-President and other offices of Minister of the Government of Guyana as may be established by Parliament or, subject to the provisions of any Act of Parliament, by the President. (Art. 100)

(1) The President shall appoint an elected member of the National Assembly to be Prime Minister of Guyana:
Provided that a person who is not eligible to be elected as President shall not be eligible for appointment as Prime Minister.
(2) The Prime Minister shall be the principal assistant of the President in the discharge of his or her executive functions and leader of Government business in the National Assembly. (Art. 101)

(1) The Prime Minister and every other Vice-President shall be a Minister of the Government of Guyana.
(2) Subject to the provisions of article 101(1), Vice-Presidents and other Ministers shall be appointed by the President from among persons who are elected members of the National Assembly or subject to subparagraph (vii) of paragraph (3)(a) of article 160 are qualified to be elected as such members.
(3) Not more than four Ministers and two Parliamentary Secretaries shall be appointed by the President from among persons who are qualified to be elected as members of the National Assembly. (Art. 103)

(1) There shall be a Cabinet for Guyana, which shall consist of the President, the Prime Minister, the Vice-Presidents, and such other Ministers as may be appointed to it by the President.
(2) The Cabinet shall aid and advise the President in the general direction and control of the Government of Guyana and shall be collectively responsible therefor to Parliament.
… (Art. 106)