A child travel consent form allows a minor to travel alone or with another person or group. A child travel consent form is strongly recommended if a child travels alone, with only one parent or an authorized adult.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. Navigating Nighttime Notarization: The Essential Guide to Travel Consent Forms for Minors in Washington DC, VA, and MD. To create this form, gather all necessary details about the child, the accompanying adult and the travel. Permission to travel outofstate or abroad without parents. Download. When a kid goes on a trip without a parent or legal guardian, migration officers can require to show a letter of consent. A child travel consent form legally grants a minor aged under 18 permission to travel without their parent(s) or legal guardian(s).