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