What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template.A character letter plays a dual role. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. You write a DECLARATION, under PENALTY OF PERJURY and state in the beginning: I JANE SMITH, DECLARE: 1. This concise introduction delves into how a compelling reference letter can significantly sway the results of a child custody home study. Express your belief that the parent is the most suitable guardian for their children. Provide facts to back this up. If CPS or guardianships are not involved, then a custody or visitation case will be heard in the family court.