When describing the person, include the "who, what, when, where, and why. Sample Format for a Character Letter.If you have been asked to write a character letter, this simple template may be a useful guide. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. Cases are filed at the Civil Division Clerk's Office, Room 211. The first paragraph should tell the judge who you are writing to him about and how you know the defendant. You'd also want to say how long you have known her. These forms may be filled out online and printed for filing. A copy of this form and a sample form are also included with this guide. 2.