(I. The' commis8ioner, after. such focal inspection as he deems neces- CIVIL PROCEDURE CODE 45 sary a~d after reducing to writing the evidence taken by him, shall return SlKh evidence. together with bis report in writing signed by him to the court. (2) The report of th..: commissioner and the evidence taken by him shall be evidence in the suit and shall form part of the record. (3) The court or, with the. permission of the court, any of the parties to the suit may ex.amine the commissioner on oath in open court touching any of the matters reICrred to him or mentionned in his rCpl)rt. or as to his report. or as to the manner in which he has made the investigation.