General affidavit form for use within the State of Utah. Modify this affidavit to meet your specific needs.If you're not finding the forms you need, contact us at or Click here to contact the web navigator. A Child Custody Affidavit is a legal document used in family law cases to provide information about the child's best interests and the custodial arrangements. Place notary stamp in space below. Learn how to start legally homeschooling your child with a signed affidavit. We'll show you the steps you need to take and what forms you need to submit. You complete a Certificate of Service or Proof of Service form that describes how and when you served the papers. You complete a Certificate of Service or Proof of Service form that describes how and when you served the papers. As long as you are still homeschooling in the same school district, your affidavit remains valid.