Court Forms: Appellate Court forms, Divorce forms (Supreme Court approved), General Sessions Civil Court forms (Supreme Court approved), Juvenile Court forms. To begin a custody action, fill out a Petition for Custody to specify what you're asking the court to grant.You may have to include other forms. FindLaw links to state-specific family law and child custody forms for DIY legal proceedings. Learn when to hire an attorney to help with family law issues. Review the paperwork process to file for divorce. The first step in embracing child custody and child support is to prove parentage. Forms and Applications. If using a mobile device to complete any of these forms, you may need to download a free PDF reader. LawHelp Interactive is a website that helps you fill out legal documents for free.