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. A character reference letter provides employers with a thirdparty account of a candidate's personal attributes and character traits. What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. A character reference letter for court is a written statement advocating for an individual's moral standing, which can influence the judge's decision.