First, make sure that this is a vehicle of a ParkOne user who rented your parking place via a ParkOne app. You can check this on the App in the parking history of your registered parking place. If this is the case, please report the violation via the Feedback and Complaints button in the Menu. We will take necessary measures to issue a penalty to this ParkOne user on your behalf. If this is not a ParkOne user, please follow a regular process of announcing a violation to the Authorities. You are, of course, free to announce a violation by a ParkOne user to the Authorities.