Controversy regarding the quality of plaintiff's being the real party in interest for the action to annul an arbitration award. Plaintiff municipality that was not a party to the arbitration. Where there is a third party allegedly harmed by the arbitration award, and no interest on the part of any of the parties that participated in the arbitration, it is not possible to peremptorily exclude the standing of the legally harmed third party or of the Public Prosecutor’s Office itself: