Pay or appeal a Parking Charge Notice (PCN) The PCN reference can be found at the top of your parking charge notice. Your parking charge notice (PCN) reference will begin with one of the options shown below. Select the correct one below to start your payment or appeal process. Frequently asked questions I’ve parked at an on street car park and received a PCN, who should I contact? I don’t have all the information I need to be able to pay or appeal my PCN through the website? I want to know the status of my appeal that I have submitted? How does NCP's PCN (Parking Charge Notice) process comply with the Data Protection Act 2018 (DPA)?