Know what documents a child needs to travel to or from the U.S. All children, including infants, must have their own travel documents. Passport services are available BY APPOINTMENT ONLY in our branch offices.Please use the Chrome, Edge or Safari web browser to request an appointment. International Travel Authorization form for minor child. Florida Document Specialists. Reviews. A U.S. notarized document is useless in most other countries. The letter and a copy of the child's birth certificate will be infinetely better. Use our Form Filler to fill out your form and print it. For the best experience, use a desktop or laptop computer. Fill out Form DS-11.