What must I write in a child's travel consent form? A child travel consent form allows a minor to travel alone or with another person or group.My child will be leaving the United States on or about and returning to the United States on or about . A notarized signature from the legal authority is required to process the minor visitor form. Minor (Child) Travel Consent Form. A minor (child) travel consent form shows that a child has permission to travel without both parents or legal guardians. If the child is traveling alone - fill out section b. It's required when a child is traveling alone, with just one parent, or with someone who isn't their guardian, whether domestically or internationally. Fill Out Form DS-11 and Print It 2. For whichever form of travel is planned, you will likely run into a need to prove that the child's parents or legal guardians have given their consent.