Mexican citizens may apply at consular sections around the world for a NAFTA professional (TN) visa. To receive a TN visa, you must submit the following forms and documentation:
1. Form DS-156, Nonimmigrant Visa Application completed and signed
2. Form DS-157, Supplemental Nonimmigrant Visa Application by male applicants between 16-45 years of age
3. A passport valid for travel to the U.S. and with a validity date at least six months beyond your intended period of stay in the U.S.
4. One 2x2 photograph. (A photograph is not required if you are applying in Mexico.)
5. Your employer in the U.S. must provide a Letter of Employment in the U.S. The letter must indicate that the position in question in the U.S. requires the employment of a person in a professional capacity, consistent with the NAFTA