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.The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. Usually both parents must appear in person at a passport acceptance facility (U. Below is a list of frequently requested Human services forms. Click on the form to complete and print. Travel and Activity Authorization DHS-7773-ENG (PDF). Use our Child Travel Consent form to prove that a child can travel without their parents or guardians. A DOPA gives permission for someone else to make decisions about your child's care, custody, and property. It is the same as if you made the decision yourself.