In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. I am writing this letter on behalf of a family member mine who is presently before you on criminal charges and is due to be sentenced shortly.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. A character letter is designed to show support for a defendant in a criminal case. These letters have the potential to influence the court. "Serving papers" means delivering a copy of the papers you file with the court to the other parties in your case. Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips.