The TN visa is a work authorization category for citizens of Canada and Mexico, created under the North American Free Trade Agreement (NAFTA, now USMCA). Many questions arise about the details of the visa, including identification in the passport. It is important to understand how each case is recorded to remain compliant with U.S. immigration laws.
For Canadian citizens, the process is somewhat different, as they normally do not receive a physical stamp in the passport. When entering the United States under TN status, Canadian citizens undergo a straightforward procedure at the border or port of entry, and their admission is recorded electronically through the I-94 form. Therefore, there is no “serial number” or physical marking printed in the passport.
For Mexican citizens, the process involves applying for the TN visa at a U.S. embassy or consulate. In this case, the visa is issued and placed as a stamp or sticker in the passport. This document contains important information, such as the type of visa, expiration date, and sometimes an identification number. However, this number does not function the same way as a unique serial number, but rather as part of the tracking and identification of the issued visa.
Regardless of nationality, it is crucial to strictly follow all rules and guidelines established by U.S. immigration authorities. Whenever questions or specific situations arise, seeking guidance from qualified professionals and reliable sources is essential to avoid mistakes, scams, or marketing campaigns promising miracle solutions without legal backing. Staying well informed and updated on current rules helps ensure that all procedures occur correctly and safely.
Learn more about TN Visa
- Eligible countries
- Canada & Mexico (USMCA)
- Duration
- 3 years
- Extension
- Unlimited (3 years each)
- Processing
- At the border or consulate
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Victoria Harper
Editor-in-Chief
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.