Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide.Basically anything they would like to say about you, preferably positive. 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. 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. The document provides tips for crafting an effective reference letter to a judge. An answer is due 28 days after you were served with the Summons and Complaint. 2.