Character letters can play an important role in convincing the court to grant your expungement petition. Sample Format for a Character Letter.If you have been asked to write a character letter, this simple template may be a useful guide. Then file it with the court. You must submit your request using DOPL's Application for Criminal History Determination. Craft a compelling expungement letter to a judge with our free template and expert tips to clear your record today! Craft a compelling expungement letter to a judge with our free template and expert tips to clear your record today! In Utah, you can petition (ask) the court to expunge (seal) qualifying criminal records, including certain convictions.