(17)EETS providers should be required to fully cooperate with toll chargers in their enforcement efforts, so as to increase the overall efficiency of electronic road toll systems. Therefore, toll chargers should be allowed to request from the EETS provider, where a failure to pay a road fee is suspected, data relating to the vehicle and to the owner or holder of the vehicle who is the EETS provider's client, provided that those data are not used for any purpose other than enforcement.