"Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. What parents and witnesses need to know about character reference letters to the court for child custody.Includes a downloadable sample and template. As a first time applicant, you must submit reference signatures from three individuals that have known you for the past three years and are. A character letter should be written in a formal and respectful tone. Introduce yourself in the opening paragraph. The structure of the letter; What to include in the letter and what to omit; A sample character reference letter; Specific tips for writing it.