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. In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. 1. Use the judge's title properly, but only once in the salutation. 2. Get right to the point and be clear and brief. 3. Use a formal email address, preferably one that includes your full name. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. GovDelivery Subscribe Sign up to receive updates.