The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. I am writing this letter on behalf of a former student of mine who is presently before you on criminal charges and is due to be sentenced shortly.What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide. I am writing this letter on behalf of a family member mine who is presently before you on criminal charges and is due to be sentenced shortly. Therefore, to ensure your letter is up to par, consider using our Free Character Letter for Court for Family Member Template. A character reference letter can make a difference in a child custody case.