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 do not write letters to judges.What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. This article provides a comprehensive guide to writing a declaration letter for child custody cases, including a sample letter. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. Requesting legal decisionmaking and parenting time ( custody ) can take place at any time in Arizona. The first thing to do is to complete the court forms. Express your belief that the parent is the most suitable guardian for their children.