You can challenge a parking fine (PCN) online or in writing. You should do this within 14 days of issue to make sure you get the 50 per cent discount.
As this is a legal process, challenges cannot be made by phone.
Submit your challenge online
Make sure you have a digital version of your proof of challenge.
Submit your challenge by post
Keep proof of postage. You may need this if your challenge arrives late or we don't receive it.
Send your challenge to: