Decision by majority: Settlement Commission points are decided by majority; ties are referred to the chairman for hearing. Where Members of a Bench differ, the point is decided by the majority opinion; if Members are equally divided they must state the points of difference and refer them to the Chairman, who may hear the points himself or refer them to one or more other Members, and such points are to be decided by the majority of the Members who have heard the case, including those who first heard it; a proviso disapplies this section on or after the specified operative date.