(1) An act or decision of Sustainability Victoria is not invalid merely because of—
(a) a vacancy in the membership of Sustainability Victoria; or
(b) a defect or irregularity in, or in connection with, the appointment of a member.
(2) Anything done by or in relation to a person purporting to act as a member is not invalid merely because—
(a) the occasion for the appointment had not arisen; or
(b) there was a defect or irregularity in relation to the appointment; or
(c) the appointment had ceased to have effect; or
(d) the occasion for the person to act had not arisen or had ceased.