13. Vacancies, etc., Not to Invalidate Proceedings of Authority.-
No act or proceeding of the Authority and its Committees shall be invalid merely by reason of-
(a) any vacancy in, or any defect in the constitution of the Authority and its Committees;
(b) any defect in the appointment of a person acting as a member of the Authority and its Committees;
(c) any laches in the procedure of the Authority and its Committees not affecting the merits of the case.