What Is the USMCA?
The United States-Mexico-Canada Agreement (USMCA) — known as CUSMA in Canada and T-MEC in Mexico — entered into force on July 1, 2020, replacing the North American Free Trade Agreement (NAFTA) that had been in place since 1994. The agreement governs roughly $1.5 trillion in annual trilateral trade and directly affects businesses across manufacturing, agriculture, digital commerce, and services.
Understanding the USMCA is essential for any North American business that imports or exports goods across these borders.
Key Changes from NAFTA to USMCA
While the USMCA retained much of NAFTA's architecture, several significant updates affect how businesses must operate:
1. Rules of Origin — Especially for Automobiles
The USMCA tightened rules of origin requirements, most notably for the automotive sector. To qualify for zero-tariff treatment, vehicles must now have:
- 75% of their content manufactured in North America (up from 62.5% under NAFTA)
- 40–45% of content produced by workers earning at least $16/hour
- 70% of steel and aluminum sourced from North America
For non-automotive goods, it's critical to verify whether your products still meet the updated regional value content (RVC) or tariff shift requirements.
2. Digital Trade Provisions
The USMCA includes modern digital trade rules absent from NAFTA — prohibiting customs duties on digital products (software, music, e-books), protecting cross-border data flows, and limiting data localization requirements.
3. Intellectual Property Protections
IP protections were significantly strengthened, including extended copyright terms (life + 70 years), stronger trade secret protections, and new rules around pharmaceutical patents and biologics.
4. Agricultural Market Access
The USMCA expanded US dairy, poultry, and egg access into the Canadian market. It also maintained tariff-free access for most agricultural products between all three countries.
5. Dispute Resolution
The agreement modified the investor-state dispute settlement (ISDS) mechanism and introduced new labor and environmental enforcement provisions with binding dispute resolution.
How to Claim USMCA Preferential Tariff Treatment
To benefit from the USMCA's preferential (reduced or zero) tariff rates, your goods must qualify and you must follow the certification process:
- Determine origin eligibility — verify your product meets the applicable rule of origin (RVC, tariff shift, or specific process rule)
- Complete a certification of origin — under USMCA, there is no required government-issued form; the importer, exporter, or producer can self-certify using a compliant statement
- Include the certification on or with the commercial invoice — it must contain all 9 minimum data elements outlined in the agreement
- Retain records — keep supporting documentation for at least 5 years in case of a customs audit
USMCA vs. Other Trade Agreements: A Quick Comparison
| Feature | USMCA | NAFTA (former) | EU Single Market |
|---|---|---|---|
| Tariff-free goods | Most goods | Most goods | All internal goods |
| Digital trade rules | Yes (modern) | No | Partial |
| Self-certification of origin | Yes | Limited | Yes (REX system) |
| Labor enforcement | Binding | Weak | Strong |
Who Benefits Most from the USMCA?
The USMCA offers clear advantages for businesses in the following sectors:
- Automotive manufacturers operating integrated North American supply chains
- Agricultural exporters in the US seeking expanded Canadian market access
- Technology and digital services companies benefiting from data flow protections
- Small businesses — the agreement raised the de minimis threshold (value below which imports are duty-free) in Canada and Mexico
Staying Compliant
Compliance under USMCA is an ongoing obligation, not a one-time check. Businesses should regularly review product origin eligibility as supply chains change, train customs and trade compliance teams on updated rules, and consult a licensed customs broker or trade attorney when in doubt.
With North American trade deeply integrated across industries, leveraging the USMCA effectively can be a genuine competitive advantage.