Character Reference Letters and Letters of Recommendation are useful in defending an Orange County DUI case, as prosecutors and judges use them in court. Use this template to create a powerful character reference letter for court.Browse sample formats and examples for inspiration. Writing a character letter for a judge can be a daunting task. Here are nine essential tips for writing an effective sentencing letter. What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide. These are commonly used during a sentencing hearing.