ss 28–31C CONSTITUTION OF ZIMBABWE (2) The Vice-President or Vice-Presidents, as the case may be, shall assist the President in the discharge of his executive functions, and shall perform such other functions, including the administration of any Act of Parliament or of any Ministry or department, as the President may assign to him or them, as the case may be. 31E Tenure of office of Vice-Presidents, Ministers and Deputy Ministers [Subsection as substituted by section 4 of Act 15 of 1990] (3) A Vice-President shall, before entering upon his office, take and subscribe before the President or some other person authorized by the President in that behalf the oaths of loyalty and office in the forms set out in Schedule 1. [Subsection as amended by section 9 of Act 15 of 1990] (4) During his tenure of office, a Vice-President shall not directly or indirectly hold any other public office or any paid office in the employment of any person. (1) The office of a Vice-President, Minister or Deputy Minister shall become vacant— [Subsection as amended by section 9 of Act 15 of 1990] (5) Whenever a Vice-President is absent from Zimbabwe, or is unable to perform the functions of his office by reason of illness or any other cause, the President may appoint a Minister to assume and perform those functions, and any Minister so appointed may discharge those functions accordingly. [Subsection as amended by section 9 of Act 15 of 1990] (6) A Minister appointed in terms of subsection (5) shall cease to perform the functions of the office of Vice-President— (a) if the appointment is revoked by the President; or (b) if he ceases to hold the office of Minister; or (c) upon the assumption of office of a new President. 31D Ministers and Deputy Ministers (1) The President— (a) shall appoint Ministers and may assign functions to such Ministers, including the adminstration of any Act of Parliament or of any Ministry or department; and (b) may appoint Deputy Ministers of any Ministry or department or of such other description as the President may determine, and may authorize any Deputy Minister to exercise or perform on behalf of a Minister any of the functions entrusted to such Minister. (2) Any person appointed under this section shall, before entering upon his office, take and subscribe before the President or some other person authorized by the President in that behalf the oaths of loyalty and office in the forms set out in Schedule 1. (3) Subject to the provisions of this Constitution and any Act of Parliament, where any Minister has been charged with responsibility for any Ministry or department he shall exercise general direction and control over that Ministry or department and, subject to such direction and control, any such Ministry shall be under the supervision of a Secretary. (4) During his tenure of office, no Minister or Deputy Minister shall directly or indirectly hold any other public office or any paid office in the employment of any person. (a) if the President removes him from office; or (b) if he resigns his office by notice in writing addressed and delivered to the President; or 32