For employers
TN — Canadian and Mexican Professionals
Fast, inexpensive, renewable — and the category most likely to create a problem the first time you decide to sponsor the person for a green card.
- USMCA text and 8 C.F.R. § 214.6 plus the current professions appendix — NAFTA-era citations are stale
- Current credential requirements for any profession named on this page
- Current procedure for Canadian nationals at ports of entry and preclearance
- Current consular procedure for Mexican nationals
- Current validity and renewal periods
What the category requires
TN is available to Canadian and Mexican citizens entering to perform prearranged professional business activities in one of the occupations listed under the USMCA professionals appendix. The list is specific, each entry carries its own credential requirements, and it does not cover every white-collar role.
If the role does not map cleanly onto a listed profession, TN is not available — and "close enough" is decided by an officer at the moment of entry.
Authority: USMCA; 8 C.F.R. § 214.6 and the professions appendix. Verify against the current text before relying on it.
Canadian and Mexican procedure differ
May generally seek TN admission directly at a port of entry or preclearance location with the supporting documentation in hand, without an advance petition. Fast, and correspondingly unforgiving — the adjudication happens in one conversation with no opportunity to supplement.
Follow a consular process for the TN visa before seeking admission. Different timeline, different documentary posture, and it should be planned rather than improvised.
Port-of-entry strategy
For a port-of-entry application, the support letter is the case. It must establish the profession, the credential, the temporary nature of the engagement, and the relationship between the duties and the listed occupation — clearly enough to be read quickly.
A refusal at a port of entry is not a denial that can be appealed in the ordinary sense, and it creates a record. Preparing for it as a formal adjudication rather than a border formality is the whole of the advice.
The temporary intent problem
TN does not accommodate immigrant intent the way H-1B and L-1 do. An employee in TN status who becomes the beneficiary of a green card process can face a real problem at the next renewal or the next entry.
This is the single most common expensive surprise in the category, and it is entirely preventable. If permanent residence may be the plan, that should shape the classification now — including whether to move the employee to a dual-intent category before anything is filed.
Renewals
TN is renewable, and there is no cumulative maximum in the way H-1B and L-1 impose one. Renewal is not automatic: each one re-tests the temporary character of the engagement, and a long history of renewals can itself invite the question.
If you've received a Request for Evidence
TN questions more often arrive as a refusal at the border or a challenge at renewal than as a written RFE. Where a petition-based extension is filed with USCIS, the requests follow a pattern.
What these requests typically ask for
- Evidence that the duties fall within a listed profession rather than adjacent to one
- Credentials matching the specific requirements for that profession
- Evidence that the engagement is temporary and defined
- Where a green card process is underway, evidence bearing on continued eligibility
Read the notice before anything else. The language an adjudicator chooses usually identifies the specific concern, and a response that sends more of the same material rather than addressing that concern is how an answerable request becomes a denial. Response deadlines are printed on the notice, are short, and are not routinely extended.
I take on responses to requests for evidence, audits, and notices of intent to deny in matters I did not file. Bring the notice and the original filing to the first conversation.
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Read more →Let's talk about your matter.
Consultations are scheduled directly with me. If you're facing a filing deadline or holding a notice with a response date on it, say so first and I'll prioritize it.
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[email protected] · (508) 591-0775 · Kingston, Massachusetts