Transitional provisions
51. Notwithstanding anything in the Law or these Rules, the Law shall not apply to any question or dispute for the determination of the amount of compensation where, before the 29th day of September, 1955, an application was made to a District Court to refer such question or dispute to arbitrators, and the hearing before such arbitrators was begun before the 9th day of February, 1956; and such question or dispute shall be determined by the arbitrators or the District Court as umpire, as the case may be, in accordance with the provisions of the law in force at the time when the application was originally made to the District Court.