Chairperson succession in benami adjudicating authority: senior-most member acts during vacancy or incapacity; provision later omitted. Section 15 provided that the senior-most Member would act as Chairperson during a vacancy and discharge the Chairperson's functions during absence, illness or other incapacity, continuing until a new Chairperson assumed office or the Chairperson resumed duties; this provision was later omitted by subsequent legislation.