A child travel consent form is strongly recommended if a child travels alone, with only one parent or an authorized adult. A child travel consent form allows a minor to travel alone or with another person or group.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. A minor (child) travel consent form shows that a child has permission to travel without both parents or legal guardians. Minor travel consent form giving partental authorization for child to travel with another person or only one parent. How do I write a letter of permission for a child to travel? Complete this sentence in the box below: "My child is traveling to . 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. A consent letter is a letter giving permission for children to travel abroad without both parents present. If your child is traveling alone or with only one parent or legal guardian, they may need a letter of consent from the other custodial parent.