(1) If a member has a personal interest in a matter that is required to be disclosed under section 26 :
(a) the member must not take part in any deliberation or decision of the Commission about the matter; and
(b) the member must be disregarded for the purpose of constituting the quorum of the Commission for the deliberation or decision; and
(c) the quorum for the deliberation or decision is a majority of members entitled to participate in the deliberation or decision.
(2) However, a failure by the member to disclose the interest in the matter does not, on its own, invalidate any decision of the Commission about the matter.