If a minor child is traveling outside the United States with someone other than either legal parent, BOTH legal parents should sign this form. 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. See what documents a child needs to travel to or from the US alone or with a parent or relative. Non-US citizen children traveling to the US. 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. This blog will address how the courts in Michigan would handle these issues if they come up in a divorce or postdivorce situation. You can sign a DPA alone even if you have joint legal custody. However, if only one parent signs, there will be some limits on the DPA.