(4)If the members of a Bench differ in opinion on any point, the point shall be decided according to the opinion of the majority, if there is a majority, but if the members are equally divided, they shall state the point or points on which they differ, and the case shall be referred by the President of the Appellate Tribunal for hearing on such point or points by one or more of the other members of the Appellate Tribunal, and such point or points shall be decided according to the opinion of the majority of the members of the Appellate Tribunal who have heard the case, including those who first heard it.