A child travel consent form allows a minor to travel alone or with another person or group. Providing parental consent when a child travels without both custodial parents.If children are not travelling with both their parents, (ie: if they are travelling alone, or with another adult), this form can be used to give permission. Use a child (minor) travel consent form to let someone under 18 travel alone or with someone other than their legal caretakers. If the child is traveling alone - fill out section b. A Child Travel Consent gives a minor child permission to travel without their parents or legal guardians.