(3) Subject to sections 17(6), 18(7) and 19 (8), at a
meeting 6 members shall form a quorum.
(4) The procedure of the Board at a meeting shall be
determined by the Board.
(5) The Governor shall appoint a member referred to
in subsection (2) (c) to be the chairman of the Board, but
in the event of the chairman's absence from a meeting, the
members present shall appoint one of their number to
preside as chairman; and the chairman or person presiding
shall have a deliberative and a casting vote.
(6) The validity of any proceedings of the Board
shall not be affected by
(a) any defect in the appointment of any member;
(b) the absence of any member from the meeting at
which any such proceeding occurred; or
(c) any vacancy among members.