Majority decision rule in settlement proceedings governs disposition of points; tie referred to Chairman for rehearing. Section 245BD requires that differences among Members of the Settlement Commission be decided by the opinion of the majority; if Members are equally divided the points must be stated and referred to the Chairman, who may hear them or refer them to other Members, and the points are then decided by the majority of Members who have heard the case, including those who first heard it. The section contains a provision making it inapplicable on and after a specified effective date.