16 Pa. Stat. § 12107
The viewers, having been duly sworn or affirmed according to law, shall view and examine the land so taken, and shall hear such parties as may desire to be heard. Hearings may be adjourned from time to time as the viewers may direct. After completion of the examination of the real estate, and hearing of the parties interested, the viewers shall decide, and make a true report to the court, concerning the matters set forth in the petition. Immediately after the filing of such report, notice of such filing shall be given to all parties interested, in such manner as the court may direct, which notice shall state that, unless exceptions be filed thereto within thirty days after the filing thereof, the same will be confirmed absolutely.
16 P.S. § 12107