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.Download our free PDF or Microsoft Word consent form for traveling with one parent. Bringing a letter helps you avoid travel delay and legal issues. 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. It's not required to be notarized, but it is one less thing to cause a potential issue. Provide your child's basic information. A child travel consent form allows a minor to travel alone or with another person or group. If only one parent is traveling with the child fill out subsection iii. Enter the traveling parent's name, passport number, country of issue and date issued.