Texas Minor (Child) Travel Consent Form. Use our Child Travel Consent form to prove that a child can travel without their parents or guardians.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. A parent can sign an "authorization agreement" form to give a nonparent the authority to care for and make decisions for a child. The statement must include the child's name and the name of the individual(s) authorized to apply for the passport. 3. Instructions on completing and mailing a passport renewal application can be found on the U.S. Department of. Complete and print the passport application online at the Department of State. Complete a passport application in black ink prior to arrival. In general, Texas has very few official legal forms.