This Court has jurisdiction to hear this custody case because (check one):. Consult with a private attorney or Legal Aid attorney.Downloadable template and sample letter to a judge. Below, find a fill-in-the-blank template, as well a detailed example of a declaration letter. This basic packet for child custody is designed for non-emergency custody or visitation claims that involve the child(ren)'s mother and father. This article provides a comprehensive guide to writing a declaration letter for child custody cases, including a sample letter. What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. Sample 2 – Child Custody Character Reference Letter. 1. Heading and Greeting.