If the court upon review does not uphold the action of the commission, the court shall transmit to the commission three certified copies of the judgment of the court and the findings of fact and conclusions of law. Thereupon, if any charge, classification or or practice is set aside in whole or in part by the court, it shall be the duty of the public utility, common carrier or petitioner affected by the judgment of the court, to initiate and file a new rate, fare, toll, rental, charge or classification, and the commission may investigate and approve or set aside such proposed rate, charge, fare, toll, rental or classification under the provisions of the law applying to the state corporation commission.
K.S.A. 66-118k