Start with the TN eligibility and application overview
Connect the reference with the actual employment
Identify who employed the applicant, what work occurred and which qualifications the listed profession requires. TN is temporary USMCA-listed professional activity for Canadian or Mexican citizens; Canadian permanent residence is insufficient. Experience cannot universally replace education, and a reference letter should not claim duties or credentials the person did not actually have. Begin with the employer’s support letter, then compare it against the employment record, degree or licence and the duties that will be performed. The useful result is a document map showing which item proves identity, qualification, compensation and the temporary professional assignment. A job title alone does not settle classification. If the anticipated duties are broader than the listed profession, the employer must decide whether it can describe a genuine professional position without adding duties the worker will not perform.
Separate historical evidence and the current TN engagement
Explain actual US duties, employer, remuneration and duration. Degrees from outside Canada, Mexico and the US need reliable foreign-credential evaluation, separately from US practice licensing. Services to a US entity solely owned or controlled by the applicant are prohibited TN self-employment; a foreign business interest alone is not a blanket exclusion. Canadians generally may seek visa-exempt TN admission, while Mexicans generally need the visa process, with applicable petition options reviewed separately. For a Canadian citizen, TN classification can be requested from CBP on entry, or the US employer can submit an I-129 petition to USCIS. The classification does not allow the applicant to operate as a self-employed professional in America. Review any ownership, control and client-contract facts before choosing that route. The practical sequence is to settle the qualifying employer and professional role first, then assemble credentials and historical explanations, and finally choose the filing or admission method that matches the travel plan.
Check the listing's own credential requirement with counsel
Each listed profession carries its own credential requirement, and several accept defined alternatives while others do not. Once the available records are in hand, counsel can assess whether they support the credential the chosen profession requires under the listing, or whether the transcript itself is needed. Appendix 2 defines several health professions by reference to licensure, which creates a confusing overlap. A licence satisfying a TN credential alternative does not necessarily permit practice in another jurisdiction. A TN rests on prearranged professional employment with a United States employer in an occupation the USMCA appendix lists, and on the credential that particular listing demands. Compare the award date, program name, and credential level across the diploma and transcript. A first-pass credential review identifies the exact degree or designation, issuing institution, and any missing comparison document. Ask the awarding institution for an attestation naming the programme, the credential conferred and the date, since that single record usually settles a dispute faster than a transcript read line by line.
Sources reviewed 2026-09-07. This guide covers a preparation focus; it is not an individual eligibility assessment.