The validity of an act done or proceedings taken under this Act shall not be questioned on the ground of—
(a) the existence of a vacancy in membership of, or a defect in the constitution of the Board;
(b) the contravention by a member of section 9; or
(c) an omission, a defect or an irregularity not affecting the merits of the case.
(Inserted by Act 24 of 2019)