A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. A character recommendation letter for court is a document that provides insight into your character and personal attributes."Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. Free template for a character reference letter for a DUI charge! Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide. Character Reference Letters and Letters of Recommendation are useful in defending an Orange County DUI case, as prosecutors and judges use them in court. A character reference letter for court should address the points the accused's attorney wants to emphasize, such as the defendant's positive work history. Customer: I am writing a character letter for my son in law. DUI with bodily injury.