IN THIS GUIDE · Sequence the licence, the certification and the port-of-entry package
Start with the TN eligibility and application overview
Put the three approvals in the order they can actually happen
The state board licence and the health-care worker certification are separate processes run by separate bodies, and neither waits for the other. The TN admission at the port of entry is the last step, and it only makes sense once the employer letter can truthfully say the nurse is able to practise. Ask the board for its current processing time in writing, ask the credentialing organisation the same question, and set the hospital start date after the later of the two. Booking a trip to the border first and hoping the paper catches up is the most common way this sequence fails.
Read the employer letter the way the officer will
The letter comes from the entity that pays the nurse, which may be the hospital or a staffing agency. It should name the worksite, describe duties that are professional nursing, state the period requested and the salary, and confirm that the nurse meets the Registered Nurse credential. If an agency writes it, the letter must still explain who directs the day-to-day work, because a vague agency letter invites questions about whether the arrangement is a genuine professional placement. A letter that copies the job posting and omits the licence facts is not enough.
Keep citizenship and self-employment short but present
A Canadian passport or citizenship certificate proves the citizenship that TN requires; a permanent-resident card does not, whatever the licence says. A nurse employed by a hospital is not self-employed, but if she or her husband holds an ownership interest in the staffing agency that places her, that interest must be disclosed, because a controlling stake in the U.S. receiving enterprise is treated as prohibited self-employment. Answer both points in one paragraph of the package rather than leaving the officer to ask.
Align the requested period with every expiry date
TN admission can be granted for up to three years at a time, but the state licence and the health-care certification each carry their own validity period. Request a TN period that does not outrun them, and write the renewal dates into the same calendar. A nurse who is admitted for three years with a certification that lapses after one will face a problem at the next entry, not at the first. Planning the renewal at the outset is cheaper than discovering the gap at the border.
Sources reviewed 2026-09-07. This guide covers a preparation focus; it is not an individual eligibility assessment.