Use this letter when you are in receipt of a 'Penalty Charge Notice' for parking or other offences in England, Wales, Scotland or Northern Ireland. This letter should be sent to your local council, or to the Parking Enforcement Processing Unit in Northern Ireland. It is not suitable for use where you were in a hire car or received a parking ticket for parking on private land. To get the most out of this letter, you should send it within 14 days of the alleged offence. If your challenge is rejected, you will still preserve the 50% discount on the fine for 14 days after receipt of the official notice of rejection.