Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. The custody decree can also include adding or removing a parent's name from the minor child's birth certificate.If there is a Children's Lawyer or Child Advocates office, ask them to investigate. Ask them to present an opinion on which parent is best. If you're not finding the forms you need, contact us at (801) 238-7990 or Click here to contact the web navigator. Do you need to file a Child Custody Affidavit? Learn how to process it and how to file for temporary custody from this article. What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. The way to convey your side of the story to the judge is through an Affidavit.