Acts and proceedings of the Board presumed to be valid

Acts and proceedings of the Board presumed to be valid: No act or proceedings of the Board shall be invalid merely by reason of-

1. (a) any vacancy therein or any defect in the constitution thereof.
2. (b) any defect in the appointment of a person acting as a member of the Board; or
3. (c) any irregularity in its procedure not affecting the merit of the case.