Belize

(1) There shall be a Prime Minister of Belize who shall be appointed by the Governor-General.
(2) Whenever the Governor-General has occasion to appoint a Prime Minister he shall appoint a member of the House of Representatives who is the leader of the political party which commands the support of the majority of the members of that House; and if no political party has an overall majority, he shall appoint a member of that House who appears to him likely to command the support of the majority of the members of that House:
… (Sec. 37)

(1) There shall be, in addition to the office of Prime Minister, such other offices of Minister of the Government as may be established by the National Assembly or, subject to the provisions of any law enacted by the National Assembly, by the Governor-General, acting in accordance with the advice of the Prime Minister.
(2) Appointments to the office of Minister shall be made by the Governor-General, acting in accordance with the advice of the Prime Minister, from among members of the House of Representatives and of the Senate:
Provided that persons holding the office of Speaker of the House of Representatives or President of the Senate may not be appointed to the office of Minister:
Provided further that the Cabinet shall be comprised of -
(a) not more than two-thirds of the elected Members of the party that obtains the majority seats in the House of Representatives following the holding of a general election; and
(b) not more than four Senators:
Provided further that, subject to section 42(3) of this Constitution, a national of Belize may be appointed as Attorney General whether or not that person is a member of either House of the National Assembly.
… (Sec. 40)

(1) There shall be a Cabinet of Ministers for Belize which shall consist of the Prime Minister and the other Ministers:
…
(2) The Cabinet shall be the principal executive instrument of policy with general direction and control of the Government and shall be collectively responsible to the National Assembly … (Sec. 44)