(a) The boundary commission shall prepare a written report containing a map or draft showing the courses and distances of the line ascertained and designated by them as the existing county line, or where they may have been directed to fix and determine a new county line, such map or draft shall instead show the courses and distances of new county line. In either case, the map or draft shall also show the lands through which said line passes and the buildings in close proximity thereto, together with the roads and streams crossed by or near to such line.

(b) The report and map, signed by a majority of the members of the commission, shall be filed in the court of common pleas having been given jurisdiction, and if approved by such court, shall be ordered recorded in the records thereof.

(b.1) Written notice shall be given by the boundary commission to the counties interested, and to the owners of all lands which will be affected by the proposed change, of the time when the report containing the recommendation of the boundary commission will be considered by the court.

(b.2) A copy of the report and approval shall be certified by the prothonotary to the prothonotary of each county affected, where it shall be recorded in the records. The line so ascertained, surveyed and fixed and so marked shall, as of the date of the certification, be the boundary line between the counties.

(c) The prothonotary, having determined the matter, shall certify the approval of the court on two copies of the report and map filed in the prothonotary's office and, within thirty days, transmit a copy by mail to the Secretary of Community and Economic Development, the Department of Transportation and the Department of Conservation and Natural Resources.