Before entering upon the discharge of their duties, the commissioners shall make and file their oath in writing to faithfully and impartially perform their duties as commissioners. After designating the boundary or dividing line by proper marks and monuments they shall file in the court a report of their doings as commissioners, and the report shall be, when approved or confirmed by the court, a part of the trial court file, as defined in ORS 19.005.
ORS 105.720