See what documents a child needs to travel to or from the US alone or with a parent or relative. Non-US citizen children traveling to the US.You'll need to fill out an unaccompanied minor form and any necessary Customs and Immigration documents for the day of departure. Child's Information: The form includes the child's full name, date of birth, place of birth, and passport or identification details. I've heard that you can make it back across the border with just birth certificate and drivers license. Type or print legibly in black ink. Search all USCIS forms. File your form online for a more convenient and secure experience. Learn more about why you need minor's travel permission and child travel consent letters for your family before your next family vacation. The most common interpretation is that the traveling parent requires a notarized letter something not found in any custody order.