Possibly. A brief trip does not itself remove the work-authorisation issue. Review the purpose, employer relationship, profession, and credentials before treating the travel as business visitor activity.
Measure the activity, not the commute
TN analysis begins with a defined professional engagement, not the convenience of a travel calendar. For this question, focus on the actual duties performed while physically in the United States. Use the offer, work order, and itinerary to show who directs the work and why it fits the profession.
Read the governing instruction together with the actual agreement, identity record, financial material, or corporate record that bears on the point. A short summary can organize the evidence, but it cannot cure a missing legal element. The answer turns on the documented arrangement, not on a label chosen for convenience.
Do not start the assignment merely because the number of US days seems small; resolve the classification first. Keep copies that show dates, authorship, and the connection between the claimed plan and the records. Where a rule has a time limit or a filing window, calculate it from the controlling event rather than from an informal target date.
Hypothetical example: a Canadian environmental consultant is asked to inspect a US site for two afternoons under a new employer contract. That example would call for a fact-specific review of the documents and timing before anyone relies on it. A remote consultation can help identify questions for the appropriate employer, business, or regulated adviser; it does not guarantee admission, a visa, or approval.