Here’s the simple answer: they are all the same free trade agreement, just with different names depending on the country using it.
And yes, if you’re still thinking in terms of NAFTA, you’re on the right track. This is its modern replacement.
The North American Free Trade Agreement (NAFTA) governed trade between the U.S., Canada and Mexico for more than 25 years. In July 2020, it was replaced by a modernized agreement designed to reflect today’s global economy.
That updated agreement is what we now call:
USMCA (United States–Mexico–Canada Agreement)
T-MEC (Tratado entre México, Estados Unidos y Canadá)
CUSMA (Canada–United States–Mexico Agreement)
One important difference from NAFTA is that this agreement includes a built-in review and sunset mechanism. The three countries are required to formally review the agreement every six years, with the option to extend it. The first review is expected later this year, which means businesses should stay alert for potential updates, clarifications or changes that could impact rules of origin, documentation requirements or enforcement priorities.
The different names come down to one simple convention: each country lists itself first when referring to the agreement.
In the United States, it’s called USMCA
In Mexico, it’s T-MEC
In Canada, it’s CUSMA
There are no differences in the legal text, rules or requirements, just the naming order and language.
For practical purposes, whether your customer says USMCA or your supplier says T-MEC, they are referring to the exact same agreement.
While the naming differences are superficial, the agreement itself introduced meaningful updates compared to NAFTA:
Stricter requirements, especially in industries like automotive, ensure that more production occurs within North America.
New rules support e-commerce, data flows and digital services, areas that didn’t exist when NAFTA was created.
The agreement includes enforceable provisions designed to promote fair labor practices and environmental protections.
Governments now have stronger enforcement tools, increasing the importance of accurate documentation for businesses.
To claim preferential tariff treatment under USMCA (T-MEC/CUSMA), the responsibility typically falls on the importer of record—though exporters and producers play a critical supporting role in providing accurate documentation.
To qualify for reduced or duty-free tariffs, you must:
Unlike NAFTA, there is no official government-issued certificate form under USMCA/T-MEC/CUSMA. Instead, the agreement defines a set of minimum data elements that must be included.
That flexibility is helpful—but it also increases the risk of errors if you’re not careful. To make things easier, Shipping Solutions offers free downloadable certificate of origin templates for USMCA, T-MEC (Spanish), and CUSMA (English or French). These templates are designed to include all required data elements, helping you create compliant documentation quickly.
USMCA, T-MEC, and CUSMA are not competing agreements—they’re simply different names for the same North American trade framework.
But while the naming is simple, compliance is not.
Understanding documentation requirements, maintaining accurate records, and ensuring consistency across shipments are essential to fully benefit from the agreement’s tariff advantages.
If you’re still relying on manual processes—or outdated NAFTA-era habits—it may be time to modernize your approach.
Shipping Solutions is here to help.
To deepen your understanding of how goods qualify for preferential treatment, download our free guide, How to Qualify for a Free Trade Agreement. It breaks down complex rules of origin into clear, actionable steps so you can determine whether your products truly meet FTA requirements. You can also watch our on-demand webinar, The USMCA and Other Free Trade Agreements, for expert insights into how these agreements work in practice and what your business needs to stay compliant.
And when it comes to execution, Shipping Solutions simplifies every step of the process. From generating compliant certificates of origin to managing all the documentation required for both FTA and non-FTA shipments, the software helps ensure accuracy and consistency. It also supports product classification, which is critical—because you must correctly classify your goods before you can determine whether they qualify for duty-free treatment under any free trade agreement. We’d love to show you how it works.
With the right tools and guidance, you can move beyond basic compliance and confidently take full advantage of the cost-saving opportunities USMCA offers.
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