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?The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. A character letter is designed to show support for a defendant in a criminal case. These letters have the potential to influence the court. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. State your issue clearly. 3. Avoid name calling, such as, " My lawyer was no good. Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter.