ss 52–58 CONSTITUTION OF ZIMBABWE (4) An Act of Parliament shall make provision for the election of members of Parliament, including elections for the purpose of filling casual vacancies. [Subsection as amended by section 20 of Act 31 of 1989] (3) The boundaries of the constituencies shall be such that at the time of delimitation the number of voters registered in each common roll constituency is as nearly as 59 Delimitation Commission (1) From time to time, as may be required for the purposes of this Constitution, the President shall appoint a Delimitation Commission which shall consist of— (a) a chairman, who shall be the Chief Justice or some other judge of the Supreme Court or the High Court appointed after consultation with the Chief Justice; and [Paragraph as amended by section 13 of Act 25 of 1981 and by section 20 of Act 23 of 1987] (b) three other members appointed after consultation with the Chief Justice: [Paragraph as amended by section 20 of Act 23 of 1987] Provided that a person shall not be eligible for appointment if he is a member of Parliament. [Proviso as amended by section 26 of Act 31 of 1989] (2) If a member is for any reason unable to continue to act, the President shall— (a) in the case of the chairman, appoint the Chief Justice or, after consultation with the Chief Justice, some other judge of the Supreme Court or the High Court to be chairman; [Paragraph as amended by section 13 of Act 25 of 1981 and by section 20 of Act 23 of 1987] (b) in the case of any other member, appoint in his place, after consultation with the chairman, some other person. [Paragraph as amended by section 20 of Act 23 of 1987] (3) Where the members of the Delimitation Commission are not unanimous in regard to any matter, the view of the majority shall prevail and, in the event of an equality of votes, the chairman shall have, in addition to a deliberative vote, a casting vote. (4) Following the first delimitation for the purposes of this Constitution, a Delimitation Commission shall be convened by the President at five-yearly intervals: Provided that a Delimitation Commission may be convened before the expiration of any five-year period if it appears to the President necessary to do so. [Proviso as amended by section 6 of Act 15 of 1987] 60 Delimitation of constituencies (1) It shall be the function of the Delimitation Commission to determine the limits of the constituencies into which Zimbabwe is to be divided in accordance with subsections (2) to (4): Provided that, if the President notifies the Delimitation Commission of an anticipated alteration in the number of constituencies, the Delimitation Commission shall determine the limits of the anticipated number of constituencies accordingly. [Proviso as inserted by section 7 of Act 15 of 1987] (2) Zimbabwe shall be divided into one hundred and twenty common roll constituencies. [Subsection as amended by section 7 of Act 15 of 1987 and by section 21 of Act 31 of 1989] 48