What must I write in a child's travel consent form? 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.How do I write a consent letter for my child to travel? Fill in letter in the Child Travel Consent Form in a few clicks ; 01. Upload a document from your computer or cloud storage. A travel consent is used to when traveling with minor children whether on trips with organizations, family members, or one parent. A child travel consent form allows a minor to travel alone or with another person or group. Get a free child travel consent form customized as per your individual or business needs. A minor (child) travel consent form shows that a child has permission to travel without both parents or legal guardians. When a kid goes on a trip without a parent or legal guardian, migration officers can require to show a letter of consent.