Pennsylvania Statutes Title 26 Pa.C.S.A. Eminent Domain § 510. Powers of viewers

(1) The viewers may adjourn the proceedings from time to time. Upon request of the viewers or a party, the court which appointed the viewers shall issue a subpoena to testify or to produce books and documents.

(2) All the viewers shall act unless prevented by sickness or other unavoidable cause, but a majority of the viewers may hear, determine, act upon and report all matters relating to the view for which they were appointed.