19 (b) shall convene a special meeting of the Commission on the written request of— (i) the Minister, within such period as the Minister may specify; or (ii) at least two Commissioners, not later than fourteen days after his or her receipt of such request. (3) Written notice of any special meeting convened in terms of subparagraph (2) shall be sent to each Commissioner not later than seven days before the meeting and shall specify the business for which the meeting has been convened: Provided that if, in the opinion of the Chairperson or Minister, as the case may be, the urgency of the business for which the meeting is to be convened so requires, notice of not less than forty-eight hours may be given. (4) No business shall be discussed at a special meeting convened in terms of subparagraph (2) other than— (a) such business as may be determined by the Chairperson of the Commission, where the Chairperson of the Commission has convened the meeting in terms of subparagraph (2)(a); or (b) the business specified in the request for the meeting, where the Chairperson of the Commission has convened the meeting in terms of subparagraph (2)(b). (5) The Chairperson or, in his or her absence, the Vice-Chairperson shall preside at all meetings of the Commission: Provided that, if the Chairperson and the Vice-Chairperson are both absent from a meeting of the Commission, the Commissioners present may elect one of their number to preside at that meeting as Chairperson. (6) Three Commissioners shall form a quorum at any meeting of the Commission. (7) All acts, matters or things authorised or required to be done by the Commission may be decided by a majority vote at a meeting of the Commission at which a quorum is present. (8) Subject to paragraph 9, at all meetings of the Commission each Commissioner present shall have one vote on each question before the Commission and, in the event of an equality of votes, the Chairperson shall have a casting vote in addition to a deliberative vote. (9) Any proposal circulated among all members and agreed to in writing by a majority of all Commissioners shall have the same effect as a resolution passed at a duly constituted meeting of the Commission and shall be incorporated in the minutes of the next succeeding meeting of the Commission: Provided that, if a Commissioner requires that such proposal be placed before a meeting of the Commission, this subparagraph shall not apply to such proposal. Committees of Commission 7. (1) For the better exercise of its functions, the Commission may establish one or more committees in which it may vest such of its functions as it thinks fit: Provided that the vesting of a function in a committee shall not prevent the Commission from itself exercising that function, and the Commission may amend or rescind any decision of the committee in the exercise of that function. (2) The Commission may appoint to a committee persons other than Commissioners.