23 Provided that in the event of an equality of votes the chairperson or person presiding at the meeting shall have a casting vote in addition to his or her deliberative vote. (8) With the approval of the Board, the chairperson of the Board may invite any person to attend a meeting of the Board, where the chairperson considers that the person has special knowledge or experience in any matter to be considered at that meeting. (9) A person invited to attend a meeting of the Board in terms of subparagraph (8) may take part in the meeting as if he or she were a member of the Board, but he or she shall not have a vote on any question before the meeting. (10) Any proposal circulated among all members of the Board and agreed to in writing by a majority of them shall have the same effect as a resolution passed at a duly constituted meeting of the members and shall be incorporated into the minutes of the next succeeding meeting of the Board: Provided that, if a member requires that such a proposal be placed before a meeting of the Board, this subparagraph shall not apply to the proposal. (11) Except as otherwise provided in this paragraph, the procedure for the convening and conduct of meetings of the Board shall be as fixed from time to time by the Board. Committees of Board 8.(1) For the better exercise of its functions, the Board may establish one or more committees in which the Board may vest such of its functions as it considers appropriate. (2) The vesting of a function in a committee in terms of subparagraph (1)— (a) may be made absolutely or subject to conditions and may be amended or withdrawn at any time; and (b) shall not divest the Board of that function; and the Board may amend or rescind any decision of the committee in the exercise of that function. (3) On the establishment of a committee, the Board— (a) shall appoint at least one of its members as a member of the committee, and that member or one of those members, as the case may be, shall be chairperson of the committee; and (b) may appoint as members of the committee persons who are not members of the Board and may fix the terms and conditions of their appointment. (4) Meetings of a committee may be convened at any time and at any place by the chairperson of the Board. (5) If the chairperson of a committee is absent from a meeting of the committee, the members present may elect one of their number to preside at that meeting as chairperson. (6) A majority of members of a committee shall form a quorum at any meeting of a committee. (7) Anything authorised or required to be done by a committee may be decided by a majority vote at a meeting of the committee at which a quorum is present.