Validation of Proceeding

No act or proceeding under this Act shall be questioned on the ground merely of –

1. (a) The existence of any vacancy in, or any defect in the constitution of the [ Board of Committee];
2. (b) Any person associated with the Committee or the [Board or Committee] under section 5 having voted in contravention of the said question;
3. (c) The failure to serve a notice on any person where no substantial injustice has resulted from such failure; or
4. (d) Any commission defect or irregularity not affecting the merits of the case.