Reference Letter Sample. Ask at least 3 persons to write you a reference letter for expungement or character letter for expungement.Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide. Craft a compelling expungement letter to a judge with our free template and expert tips to clear your record today! Sealed Records: After 10 Years (CPL 160.59). Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. (Name of Person Writing Letter). Information on how NYS residents can obtain their own criminal history record, and FAQs regarding expungement and Certificates of Relief and Good Conduct.