15. (1) The Board shall hold such and so many meetings as may be necessary for the due performance of its functions.

(2) The quorum for a meeting of the Board shall be 8.

(3) At a meeting of the Board—

(a) the chairperson shall, if present, be chairperson of the meeting, and

(b) if and so long as the chairperson is not present or if the office of chairperson is vacant, the members of the Board present shall choose one of their members to act as chairperson of the meeting.

(4) Each member of the Board, including the chairperson, present at a meeting of the Board shall have a vote.

(5) At a meeting of the Board, a question on which a vote is required shall be determined by a majority of the votes of the members of the Board present and voting on the question and, in the case of an equal division of votes, the chairperson of the meeting shall have a second and casting vote.

(6) Subject to subsection (2), the Board may act notwithstanding one or more vacancies among its members.