Saint Lucia

(1) There shall be a Prime Minister of Saint Lucia who shall be appointed by the Governor General.
(2) Whenever the Governor General has occasion to appoint a Prime Minister he or she shall appoint a member of the House who appears to him or her likely to command the support of the majority of the members of the House.
(3) There shall be, in addition to the office of Prime Minister, such other offices of Minister of the Government as may be established by Parliament or, subject to the provisions of any law enacted by Parliament, by the Governor General, acting in accordance with the advice of the Prime Minister.
(4) Appointments to the office of Minister, other than the office of Prime Minister, shall be made by the Governor General, acting in accordance with the advice of the Prime Minister, from among the Senators and the members of the House.
… (Sec. 60)

(1) There shall be a Cabinet of Ministers for Saint Lucia which shall consist of the Prime Minister and the other Ministers.
…
(3) The functions of the Cabinet shall be to advise the Governor General in the government of Saint Lucia and the Cabinet shall be collectively responsible to Parliament for any advice given to the Governor General by or under the general authority of the Cabinet and for all things done by or under the authority of any Minister in the execution of his or her office.
… (Sec. 61)