IN THIS GUIDE · Use recommendation letters to explain duties without replacing credentials
Start with the TN eligibility and application overview
Identify the proposed professional activity
Hypothetical example: a supervisor praises an applicant’s technical contributions. Describe the actual U.S. employer, duties, temporary period and remuneration. Praise does not determine which TN profession fits the offer.
Apply the exact credential alternative
TN principals require Canadian or Mexican citizenship and the profession’s prescribed degree, licence or permitted alternative. Experience is not a universal replacement for a required degree. A recommendation should not claim an exception the listing does not provide.
Keep document purposes distinct
Degrees from institutions outside Canada, Mexico and the United States require reliable evaluation. Translation is distinct, and actual U.S. practice authority is a separate question where relevant. A reference letter does not automatically perform those functions.
Explain the actual employment arrangement
Identify employer and relevant applicant ownership. 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 exclusion. Confirm actual permission before relying on an offer or reference.
Apply the temporary-work and credential boundaries
A Canadian citizen generally may seek TN admission without first obtaining a TN visa; a Mexican citizen generally needs the visa. The actual temporary assignment and any required U.S. practice licence remain separate from profession eligibility. A foreign business interest alone does not disqualify an applicant: the prohibited arrangement is services to a U.S. entity solely owned or controlled by that applicant.
Apply the specific credential rule for the listed profession
Each USMCA profession has its own qualification rule, and the officer applies the one attached to the profession named in the letter. In some cases, a formal credential evaluation, additional coursework, or a professional licensing process may help establish an equivalent qualification, depending on the profession's specific rules. Land surveying appears among the USMCA professional categories, and that category carries its own credential requirement, which may be satisfied by a qualifying degree or by the appropriate licence. The listing includes specified hotel or restaurant management education and, for the diploma or certificate alternative, three years of experience in hotel or restaurant management. The parties can consider whether a different listed profession fits the work as it actually is, remembering that each has its own requirements and that the credential must match the profession claimed rather than the general field. Canadian citizens may apply at a port of entry or through Form I-129 without a TN visa stamp, and TD dependants may study but not work. A first review normally identifies the transcript, credential assessment, licence, or employment record that resolves each qualification issue and exposes a mismatch before travel is planned. If the position materially combines surveying with structural design or engineering, the application must describe those duties accurately and establish the listed profession and qualification rule on which TN classification is sought.
Request the earlier institution's records as supporting history
Requesting transcripts, ordering a credential evaluation, asking the institution to restate the appointment terms and having counsel assess the proposed profession can each be repeated or corrected at no lasting cost. Ask whether an evaluation is needed after the profession and the institution’s authentic award records have been identified. A Canadian professional may request TN classification at a border inspection point or preclearance facility; if USCIS is the selected procedure, the U.S. employer files Form I-129 directly with that agency.
Sources reviewed 2026-09-07. This guide covers a preparation focus; it is not an individual eligibility assessment.