The TN visa explained: Professional work authorization under USMCA

The TN visa is a nonimmigrant work visa available to qualified Canadian and Mexican citizens under the United States–Mexico–Canada Agreement (USMCA), formerly NAFTA. It allows professionals in specific listed occupations to work in the United States for a U.S. employer on a temporary basis.

Common TN professions include:

Unlike the H-1B visa, the TN visa is not subject to an annual lottery cap. It may be able to be obtained more quickly, but it has strict occupational definitions and documentation standards.

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Takes ~3 minutes

Submitting the assessment does not create an attorney-client relationship.

TN visa requirements: What must align

TN approval depends on precise legal alignment between:

Immigration officers review whether the job truly fits within a treaty profession and whether the degree or experience matches the category exactly. For example, an “Engineer” role must require an engineering degree and involve engineering duties. A general business role cannot be reframed as engineering simply because it involves technical knowledge.

Tip from Marble

Border officers focus heavily on the employer letter. It should clearly describe duties that match the treaty language without expanding beyond it.

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TN visa for Canadians vs Mexicans

The application process varies significantly by nationality.

Canadian citizens:

Mexican citizens:

Because Canadians apply at the border, preparation is critical. A denial at the port of entry can disrupt employment immediately and create complications for future attempts.

TN visa vs H-1B: Key strategic differences

Both TN and H-1B allow professional employment, but they serve different long-term goals.

TN advantages:

TN limitations:

H-1B allows dual intent, meaning pursuing permanent residence is more straightforward while in status. TN requires more careful timing when planning a green card. Choosing between TN and H-1B depends on career goals, employer needs, and long-term immigration plans.

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Before applying for TN status

Important considerations to understand early:

Planning early reduces risk at the border or interview stage.

A common misunderstanding

Many professionals assume that because their job sounds similar to a listed TN category, approval is automatic. In reality, immigration officers evaluate the substance of the role, not just the title. For example, a “Project Manager” may not qualify unless the duties clearly fall within a listed professional category. Similarly, the Management Consultant category is frequently misunderstood and closely scrutinized. Another misconception is that TN can function like a long-term work visa without immigration consequences. Because TN requires nonimmigrant intent, filing for permanent residence without planning can raise questions during renewal or re-entry. Strong TN cases anticipate these issues rather than reacting to them.

Where TN applications most often face challenges

Common issues include:

How to avoid it: Treat TN as a precise legal classification, not a general work permit.

The process, start to finish

1. Strategy review

We confirm the correct TN occupational category and evaluate long-term immigration goals.

2. Documentation planning

Employer letters and credential evidence are structured to align tightly with treaty requirements.

3. Application stage

Canadians apply at the port of entry; Mexican nationals attend a consular interview.

4. Government review

Officers evaluate category alignment, qualifications, and temporary intent.

5. Final stage

TN status is granted for up to three years, with renewal or transition strategy planned early.

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With Marble, you always know where your case stands.

Why people choose Marble

Visitor visas are often treated as simple applications. Many applicants only seek help after a denial. We take a preventive, structured approach:

Clients choose Marble because preparation reduces avoidable refusals and protects future immigration options.

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Travel with confidence, not uncertainty

A visitor visa is designed for temporary travel. With the right preparation, it may allow you to attend important events, conduct business, or visit family while keeping future immigration considerations in mind. We’re here to guide you through each step.

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