23. When the amount of compensation has been settled under section 16, if any dispute arises as to the apportionment of the same or any part thereof, the Collector shall refer such dispute to the decision of the Court. All costs entailed by such a reference, and the proceedings of the Court thereon, shall be paid by the parties who dispute the apportionment of the compensation, in such proportions as the Court may direct, and the Collector shall not be required to disburse any such costs, nor shall any such costs be recovered, from the Collector.