Complete a Complaint for Custody (CC-DR-004) to ask to the court to grant you custody. Most Maryland family law court forms are in this index.In most situations, you can file for custody in the "home state" of the child. You can only file for custody in court if that court has the legal ability to take the case. This is called "jurisdiction." NOTE: Use this form if you want to register an out-of-state custody order in Maryland. 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. You can voluntarily dismiss your child custody petition without any penalty. Look at your state's custody laws to figure out the terminology you should use.