Know what documents a child needs to travel to or from the U.S. All children, including infants, must have their own travel documents. 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.Travelers must have a valid Electronic System for Travel Authorization (ESTA) approval prior to travel and meet all requirements explained below. The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. You must: 1) complete the online visa application and 2) print the application form confirmation page to bring to your interview. Obtaining Consent: In most cases, you'll need the other parent's consent to travel abroad with your children. Applicants will need a valid passport, a credit card, and an email and can get their eTA approval via email. Travelers must have a valid Electronic System for Travel Authorization (ESTA) approval prior to travel and meet all requirements explained below. Edit, sign, and share LETTER OF CONSENT FOR TRAVEL OF A MINOR CHILD Because online. It simplifies the visa-issuance process as no label, sticker, or stamp is placed in the passport before travel.