IN THIS GUIDE · Explain the professional activity behind a broad technical title
Start with the TN eligibility and application overview
Read the actual duties
Hypothetical example: an offer combines technical design, customer support and coordination. Explain the work the applicant will actually perform, the employer, temporary period and remuneration. Do not select a TN listing merely because one phrase in the title resembles it.
Check the exact qualification route
TN principals require Canadian or Mexican citizenship. Use the listing’s prescribed degree, licence or permitted alternative. For engineers, the listed alternatives include a baccalaureate or licenciatura degree or a state or provincial licence; actual U.S. practice authority is a separate question.
Explain the credential evidence
Degrees from institutions outside Canada, Mexico and the United States require a reliable credential evaluation. An English translation does not perform that evaluation. Do not assume experience supplies an alternative where the profession’s rule does not provide one.
Identify the employment arrangement
Explain the actual employer and any relevant applicant ownership or customer placement. Services to a U.S. entity solely owned or controlled by the applicant are outside the permitted arrangement; foreign ownership alone is not a blanket ban. An offer or prior approval does not authorize every later role change.
Apply the temporary-work and credential boundaries
TN concerns qualifying temporary professional activity for Canadian or Mexican citizens. Providing services to a U.S. entity solely owned or controlled by the applicant falls outside the permitted arrangement; a foreign business interest alone is not a blanket disqualification. Degrees from institutions outside Canada, Mexico and the United States require a reliable foreign-credential evaluation. Any licence needed to practise the profession in the United States is a separate question from the listed TN qualification.
Ask the employer for a letter that states facts
Canadian citizens generally seek TN admission in person at a port of entry or a preclearance facility, presenting the passport, the supporting letter and the credential, with no visa stamp involved. Some institutions will reissue a diploma or transcript under an updated legal name, while others will only provide a letter confirming that the record belongs to the person now using a different name. USMCA Appendix 2 lists the professions eligible for TN and states the minimum qualification for each. Engineering credentials are not interchangeable across disciplines or jurisdictions; a degree or licence recognized for one engineering category will not necessarily satisfy another. For Canadian citizens, the choice is ordinarily between seeking TN classification with supporting records when arriving for inspection and an employer's USCIS petition on Form I-129; the sequence depends on facts and planned travel. A Canadian may present the package at a port of entry or the client may file an I-129 petition; either way the officer compares the letter against the contract and the credential against the listed requirement. If the answer is engineering assessments, design reviews, laboratory analysis or advisory reports, that is the duty description the file needs. Where an education history is not straightforward, collect transcripts and credential analysis early rather than assuming experience can replace a required degree.
Sources reviewed 2026-09-07. This guide covers a preparation focus; it is not an individual eligibility assessment.