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.Minor travel consent form giving partental authorization for child to travel with another person or only one parent. 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. It's required when a child is traveling alone, with just one parent, or with someone who isn't their guardian, whether domestically or internationally. Parents may have joint custody even if the child resides with only one parent. A notarized letter of consent is a crucial requirement when traveling with minors without both parents or guardians. 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. See what documents a child needs to travel to or from the US alone or with a parent or relative.