Rules on Civil Procedure
Section 3. Order of reference; powers of the commissioner. - When a reference is made, the clerk shall forthwith furnish the commissioner with a copy of the order of reference. The order may specify or limit the powers of the commissioner, and may direct him to report only upon particular issues, or to do or perform particular acts, or to receive and report evidence only and may fix the date for beginning and closing the hearings and for the filing of his report. Subject to other specifications and limitations stated in the order, the commissioner has and shall exercise the power to regulate the proceedings in every hearing before him and to do all acts and take all measures necessary or proper for the efficient performance of his duties under the order. He may issue subpoenas and subpoenas duces tecum, swear witnesses, and unless otherwise provided in the order of reference, he may rule upon the admissibility of evidence. The trial or hearing before him shall proceed in all respects as it would if held before the court. (3a, R33)