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If I travel with a minor child unaccompanied by the other guardian, do I need permission?

Unaccompanied minor children need written authorization from the absent guardian when entering the U.S., following TN visa rules to ensure a safe and trouble-free trip.

Written by

Victoria Harper

Editor-in-Chief

Updated on July 28, 2025
2 min read
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Migration to the United States involves different requirements, including when it comes to accompanying children on international trips. In the case of the TN visa, aimed at professionals from Mexico and Canada, the entry of the visa holder and their family must comply with specific rules.

When a minor child travels unaccompanied by the other guardian, it may be required to present a written and notarized authorization from the absent guardian. This permission, generally formalized through a consent letter, serves to show that the guardian not accompanying the child agrees to the trip.

Thus, immigration officers and airlines can verify the legitimacy of the trip and the protection of the child”s interests. It is important to highlight that even in TN visa cases, American authorities may request additional documentation to prove that the minor is traveling safely and under proper supervision.

Each situation may present particularities, requiring the presentation of documents such as birth certificates and, in certain circumstances, custody or guardianship documents. Therefore, obtaining permission from the absent guardian is a recommended practice to avoid complications upon entry to the United States.

Strictly following immigration laws is essential to ensure a smooth trip without unforeseen issues. Seek updated information from official sources or consult specialized professionals in the area, always remembering to be cautious with promises of quick solutions or campaigns with unfounded guarantees. This way, you will be better prepared and secure to follow the legal procedures and avoid setbacks during your trip.

Learn more about TN Visa

Eligible countries
Canada & Mexico (USMCA)
Duration
3 years
Extension
Unlimited (3 years each)
Processing
At the border or consulate
All about TN Visa
Victoria Harper

Editor-in-Chief

Meet the author

Leading journalism and editorial content at Visto n’ Visa, Victoria helps make immigration topics clear, trustworthy, and easy to understand. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.

Victoria's tips

If I travel with a minor child unaccompanied by the other guardian, do I need permission?

Unaccompanied minor children need written authorization from the absent guardian when entering the U.S., following TN visa rules to ensure a safe and trouble-free trip.

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