(1) At a meeting of the Authority, 4 Authority members constitute a quorum.
(2) However, if:
(a) section 183 prevents an Authority member from participating in the deliberations or decisions of the Authority in relation to a particular matter; and
(b) when the member leaves the meeting concerned there is no longer a quorum present;
the remaining Authority members at the meeting constitute a quorum for the purpose of any deliberation or decision at that meeting in relation to that matter.