"Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. Tips: Keep the letter honest but positive.Avoid downplaying the seriousness of the DUI. The structure of the letter; What to include in the letter and what to omit; A sample character reference letter; Specific tips for writing it. In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. Free template for a character reference letter for a DUI charge! Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide.