"Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. Here's a guide on what to consider including in a character reference letter for a DUI hearing.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? What points need to be addressed when writing a character letter to the court in reference to a DUI per se charge? Character Reference Letters and Letters of Recommendation are useful in defending an Orange County DUI case, as prosecutors and judges use them in court.