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