A letter from the person with parental responsibility for the child is usually enough to show you've got permission to take them abroad. A child travel consent form allows a minor to travel alone or with another person or group.Child's Information - Name, date of birth, and passport number if applicable. Travel Details - Destination, duration of the trip, and travel dates. A Child Travel Consent Form is required where a minor child under the age of 18 is traveling internationally without both parents present. Before going through security control, you'll have to complete a consent form. Download consent form (English only). We will be sharing some family travel tips about what documentation is needed, such as a travel consent letter, for international travel with a minor. A Travel Consent Form is a letter of permission for travel is a document where a parent or guardian acknowledges that their minor will be traveling alone. It definitely doesn't hurt to fill out.