Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide.The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. Here's how to get record clearance in Contra Costa County. Applying for Post-Conviction Relief in Contra Costa County.