Use an accurate employer explanation of the real responsibilities and relevant position terms.
Keep the company label in context
A grade can describe pay or progression without changing the work itself. Do not replace the actual duties with a more impressive description merely to align the title with a preferred category.
Build the file around an employer letter that states the prearranged position, actual functions, compensation, expected duration and worksite, while explaining what the grade means inside that company. Pair it with proof of Canadian or Mexican citizenship and the exact degree, licence or experience required by the selected USMCA profession. Canadian permanent residence is not citizenship. Do not manufacture senior responsibilities to make the title sound professional; inconsistency with résumés or payroll records can weaken an otherwise valid case. Check that the applicant will perform prearranged professional work for a U.S. or foreign employer at a U.S. entity rather than operate a self-owned American venture, then choose port-of-entry presentation or an employer’s Form I-129 filing for a Canadian.
Hypothetical example: a Canton of Hatley occupational therapist is recruited under the human-resources label “associate care coordinator.” Her package should explain that the label marks a salary band, while her real assignment involves occupational-therapy assessments and treatment plans. She gathers her citizenship proof, therapy degree, applicable licence evidence, detailed offer and a short company grade chart. Copying the more impressive description used for a senior clinician would be a mistake. The truthful duty account, read with the profession-specific credentials, is what connects this unusual label to TN work.