"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. How long have you known the accused? How is the person like when outside home and when interacting with people in the community? Free template for a character reference letter for a DUI charge! If you've been asked to write to the judge, use our sample character reference letter and fill-in-the-blank template. What's a character reference letter? Character Reference Letters and Letters of Recommendation are useful in defending an Orange County DUI case, as prosecutors and judges use them in court. The letters must not only be authentic but must so appear to the Judge.