IN THIS GUIDE · Which document decides a nurse's TN start date
Start with the TN eligibility and application overview
Three credentials, three different issuers
The TN listing for Registered Nurse is satisfied by a state or provincial licence or a Licenciatura degree, so the Quebec licence answers the classification question. State practice law is separate: the hospital's state board must license the nurse before a single shift is worked, and that usually involves an examination result, a credential verification and its own processing queue. The third credential comes from federal immigration law. Nurses are among the health-care occupations that must present a health-care worker certification under 8 CFR 212.15 at admission; without it the officer cannot admit the applicant in TN status even if the licence is perfect. Each of these is issued by a different body on a different timeline, and the employer often knows only about the first. A first review should put the name, licence number, issue date and expiry date from every record beside the state board's requirements. A mismatch in a maiden name, a stale verification or a certificate that will expire before admission is easier to correct before travel. The useful result is a single dated list showing which issuer can confirm each document and which item still prevents work.
What the offer letter must say and what it cannot fix
The employer's letter has to describe professional nursing duties, the temporary nature of the position, the expected length of stay, the salary and the applicant's qualifications. It should name the profession as it appears on the USMCA list rather than an internal job title. A well-written letter still cannot substitute for the state licence or the certification, and an officer will not accept a promise that a licence is pending. Ask the employer whether its onboarding requires the state licence in hand at admission or only before the first shift, because the answer determines whether the nurse can enter, complete orientation and begin work in sequence, or whether every document must exist before the port-of-entry visit. The employment letter should also identify a real contact who can confirm the facts if the officer has a question. Where a staffing company is involved, the contract, pay arrangement and supervision should point in the same direction as the letter. Do not leave a licensing contingency vague: decide whether the employer will postpone the start, withdraw the offer or hold the position, and record that decision before travel is booked.
Citizenship, temporary entry and ownership stay in the picture
TN is available only to Canadian and Mexican citizens; a permanent resident of Canada with the same licence needs another category. Canadians apply at a port of entry or by petition on Form I-129 and receive no visa stamp. The nurse must intend a temporary stay even if the employer hopes she will remain for years, and admission periods are granted in increments of up to three years. Self-employment is not permitted, so a nurse who intends to work through a staffing agency she partly owns must disclose the stake, and a placement through a U.S. agency into a hospital needs a letter explaining who employs, pays and supervises her. TD dependants may accompany her to study but not to work. An ownership review belongs in the first meeting, not after a border presentation has been planned. If the applicant has an equity interest in the entity that would employ her, the file must be assessed before she relies on TN; changing labels on payroll does not repair control of the enterprise. The practical choice between requesting admission directly and using a USCIS petition should follow the evidence review, especially where the employment structure needs a written explanation.
Sources reviewed 2026-09-07. This guide covers a preparation focus; it is not an individual eligibility assessment.