Read the general professional work overview
Hypothetical example: for a Peachland occupational therapist, the degree and transcript remain stable, but a passport used as citizenship evidence can expire. The employer letter and state licence also age, and each re-entry is assessed on the current record. A Canadian citizen may generally apply at a port of entry without a TN visa stamp, or the employer may use Form I-129 where applicable. The arrangement must remain prearranged professional employment rather than U.S. self-employment, and any ownership or control must be disclosed. Hypothetical example: a structural engineer returns after a year abroad and discovers that the employer has changed payroll entities. The concrete decision is whether the old letter still describes the current engagement. She should obtain a new letter identifying the employer, duties, worksite, dates, and remuneration, then compare those facts with her credential and any licence requirement before travel.
The licence is the item most often out of date
Practitioners think of licence renewal as a professional obligation and are surprised to find it is also the foundation of an immigration status. The listed profession's rule is satisfied by a current state or provincial licence or by a degree, and where the file has been built around the licence, an expired one removes the basis for the admission. Renewal cycles differ by state and usually carry continuing competence requirements that must be evidenced. Record the renewal date beside the admission end date, log continuing education as it is completed rather than in the final month, and keep a current certificate of good standing rather than the original issuance letter. A first review should produce a dated renewal checklist: licence status, continuing-education proof, certificate availability, and the admission end date. The official board record settles whether practice authority is current; an expired card or unrecorded course does not. Decide whether renewal can be completed before travel, and postpone the trip if the professional basis cannot yet be demonstrated.
The employer letter describes a moment
A letter written for the first crossing describes the role as it was then. Three years on the clinic may have reorganised, the employing entity may have changed within a group, the worksite may have moved, or the duties may have shifted toward coordination and away from clinical practice. Any of those makes the letter an inaccurate description rather than a supporting document. Request an updated letter whenever something material changes and at each extension, and read it before it is signed. Where an agency is involved, the letter should identify both the employing entity and where the work is performed. The decision is whether a change is material enough to require a refreshed explanation. Compare the present signed job description, payroll entity, worksite, and supervisor with the original packet. If they no longer match, have the employer explain the actual professional engagement plainly before the next application or travel event.
What travels unchanged, and one honest review a year
The degree and official transcript can ordinarily be retained in the same form. Proof of Canadian citizenship must also remain acceptable on the date it is presented; a passport has an expiry date even though citizenship itself does not. Build an annual review into the household calendar: compare the current employer letter with the present job description, confirm the licence and continuing-education record, check the citizenship document, and disclose any change in duties, employer, ownership or control. That review reduces the risk of discovering at a port of entry that the evidence or employment arrangement no longer matches the TN request.
What else is on your mind?
Is a matching job title enough for TN?Can years of experience replace a degree for TN?Can my own U.S. company employ me under TN?Can my spouse work if I hold TN status?Editorial source review: 2026-09-07. General preparation guidance, not an individual assessment.