10. The validity of any proceedings of the Authority, or of any of its committees, shall not be affected by—
(a)any vacancy among the officers of the Authority or of the committee;
(b)any vacancy in the office of the Chair of the Authority;
(c)any defect in the appointment of any one or more officers of the Authority or in the appointment of the Chair of the Authority; or
(d)any failure to comply with paragraph 9.