It is allowed to leave your car at a charging station when the battery is already full. This is the judgment of the Supreme Court. As long as parking fees are paid, the car can remain parked.
A motorist had been fined in Rotterdam because he remained parked at a charging station without paying a parking fee. If he had paid parking, he would not have been parked illegally. Staying at the charging station when the battery is already full is not illegal.
Municipalities have to come up with solutions to combat charging station stickers. With the arrival of more electric cars, it is more common for charging stations to be occupied. Municipalities can combat charging station stickers by, for example, setting maximum parking times at a charging station.