12. Vacancies, etc., not to invalidate proceedings of Authority
No act or proceedings of the Authority shall be invalid merely by reason of —
(a)
any vacancy in, or any defect in, the constitution of the Authority; or
(b)
any defect in the appointment of a person acting as a Member of the Authority; or
(c)
any irregularity in the procedure of the Authority not affecting the merits of the case.