Botswana

(1) There shall be such offices of Minister of the Government (not exceeding six or such other number as Parliament may from time to time provide) as may be established by Parliament or, subject to the provisions of any Act of Parliament, by the President.
(2) There shall be such offices of Assistant Minister (not exceeding three or such number as Parliament may from time to time provide) as may be established by Parliament or, subject to the provisions of any Act of Parliament, by the President.
(3) Appointments to the office of Minister or Assistant Minister shall be made by the President from among Members of the National Assembly: Provided that-
(i) not more than four persons may be appointed as Minister or Assistant Minister from amongst persons who are not Members of the Assembly but are qualified for election as such; and
(ii) if occasion arises for making an appointment to the office of a Minister or an Assistant Minister while Parliament is dissolved a person who was a Member of the Assembly before the dissolution may be appointed as a Minister or an Assistant Minister. (Sec. 42)

(1) There shall be a Cabinet which shall consist of the President, Vice-President and the Ministers.
… (Sec. 44)

(1) The Cabinet shall be responsible for advising the President with respect to the policy of the Government and with respect to such other matters as may be referred to it by the President and shall, subject to the provisions of this Constitution, be responsible to the National Assembly for all things done by or under the authority of the President, Vice-President or any Minister in the execution of his or her office.
... (Sec. 50)