law: 8. Vacancies, etc., not to invalidate proceedings of the Council.-
  No act or proceeding of the Council shall be invalid merely by reason of-
  (a) any vacancy in, or any defect in the constitution of, the Council; or
  (b) any defect in the appointment of a person acting as a Member of the Council; or
  (c) any irregularity in the procedure of the Council not affecting the merits of the case.