You can authorize a child (minor) to travel with one parent (internationally) or another adult (i.e. mother, father, grandparent, aunt, uncle, etc.) domestically or internationally using a Children's Travel Consent Letter (Form). The Travel Consent Form is also known as the Travel Consent Letter, Child Travel Consent Form, the Parental Travel Consent Form, the Parental Consent Form for Travel, or the Consent to Travel Form.
Generally all persons under 18 years of age are considered to be children. Foreign countries and transportation compies (i.e. airlines and cruise ships) are viligant converning minors crossing international borders. Custom Officers on both sides of the border are viligantly looking for missing children. Therefore, it is essential that you are carrying proper identification for yourself and the child(ren) who is traveling with you internationally. This includes a Children's Travel Consent Letter or any document that might be required by the authorities in both the United States and the foreign country. Some of the documents you are advised to have include in addition to an Apostilled Children's Travel Consent Letter include: