The petitioner must file for custody with the appropriate district court. For information about how to file documents, see the Filing Procedures web page.You can file a petition for child custody in your county's Superior Court. If you are divorcing, the petition will be included in your divorce papers. The custody petition forms will be available at your local courthouse. Many forms are also available online. In most situations, you can file for custody in the "home state" of the child. 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. This blog aims to shed light on the intricacies surrounding child custody in Utah, providing you with comprehensive insights and guidance.