(1) If the final decision of the arbitration panel or district court requires modifications or alterations from the original project plan as approved by the supervisors, then the arbitration panel or district court shall include in its decision any part or percent of these modifications or alterations that is for the direct benefit of the public and it shall assign any costs to the proper participant.
(2) Any of the involved entities may withdraw or modify required modification of the project within 10 days after the decision.