How the USMCA 2026 Review Is Changing Supply Chain Due Diligence

North American trade is no longer being shaped by tariffs alone. For years, boardroom discussions treated the USMCA as a straightforward trade agreement—a technical framework covering tariffs, rules of origin, and labor provisions. That era is over. With the 2026 joint review now underway, North America’s trade architecture is increasingly becoming a tool for geopolitical alignment, economic security, and stronger, more resilient supply chains.

At the center of this shift is China. Its growing role in nearshoring has become one of the main sources of friction between Mexico, the United States, and Canada. What was originally designed as a routine six-year administrative review is now taking on the characteristics of a de facto renegotiation, as Washington seeks to close any loopholes that could allow China-linked manufacturing to access the U.S. market tariff-free through operations in Mexico.

North American Trade and Manufacturing Indicators

To illustrate the impact of these developments, the following table outlines the trade metrics and tariff tools that are redefining the playing field during the 2025–2026 period:

 Sources: Brookings Institution / CSIS / Baker Institute 

Due Diligence in the Face of Geopolitical Risk

As Washington increases customs oversight, reviewing public compliance records alone is no longer enough. U.S. trade and customs authorities now expect companies seeking USMCA tariff benefits to clearly show where their materials come from and how their supply chains operate. 

Financial institutions, investment funds, and business partners must conduct advanced due diligence investigations to determine whether manufacturing operations in Mexico represent genuine North American production platforms or whether they conceal triangulation structures and dependencies involving Chinese state-owned corporations.

This process requires looking beyond the different corporate layers to thoroughly verify critical aspects of the operation:

• The ultimate beneficial owner and the true source of the project’s financing.
• The geographic origin of the intermediate components used on assembly lines.
• Corporate governance structures and the traceability of land and maritime logistics.
• The local relationships of companies in Mexico with customs brokers, industrial park developers, and port authorities.

The financial and legal cost of failing to conduct this advanced analysis can be extremely high, exposing investors to the termination of supply contracts, federal investigations for customs fraud under U.S. law, and the physical detention or seizure of goods at U.S. customs facilities.

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Trade triangulation occurs when goods, components, or investments originating in one country are routed through a second country to obtain improved market access or to navigate trade restrictions. In North America, scrutiny often focuses on situations where products associated with China are processed or assembled in Mexico before entering the United States. 

Rules of origin define the country in which a product is considered to have been manufactured. Under the USMCA, companies must comply with specific regional content, transformation, and sourcing criteria to qualify for preferential tariff treatment.

USMCA tariff benefits provide reduced or zero tariffs for eligible goods traded among Mexico, the United States, and Canada. To access these benefits, companies must maintain and present documentation demonstrating compliance with the agreement’s origin and production requirements.

Supply chain traceability refers to the capacity to identify, document, and follow the origin of materials and components, as well as their movement and transformation throughout the production process. Strong traceability supports compliance with USMCA rules and facilitates customs verification processes.

How Can Companies Protect Their USMCA Tariff Benefits? 

Companies should maintain clear documentation showing where their materials and components come from, how their products are manufactured, and how their supply chains operate. This helps demonstrate that their goods meet USMCA requirements.

Is Reviewing Public Compliance Records Enough? 

Not always. Public records provide useful information, but companies may also need to verify ownership, financing, suppliers, logistics, and the origin of key components to fully understand the risks behind an operation.

Does Chinese Investment in Mexico Automatically Create a Trade Risk? 

No. Chinese investment or suppliers do not automatically mean that a company is violating trade rules. The main concern is whether the operation can clearly prove its ownership, sourcing, production activity, and compliance with USMCA rules.

What Should Executives Verify Before Working With a Manufacturer in Mexico? 

Executives should review who ultimately owns or controls the business, where the project’s financing comes from, where production components originate, and whether the company’s logistics and local business relationships are transparent.

What Could Happen If a Company Cannot Prove the Legitimacy of Its Operations?

A lack of documentation or transparency may lead to customs reviews, supply contract problems, investigations, or the detention of goods at the border. Strong due diligence can help reduce these legal, financial, and operational risks.

• The 2026 USMCA review is changing how companies evaluate risk. Geopolitics, economic security, and supply chain transparency are becoming central to trade decisions across North America.
• USMCA compliance must be part of the broader business strategy. Manufacturers and investors should consider trade requirements when making decisions about site selection, sourcing, financing, corporate structures, logistics, and daily operations.
• Meeting technical requirements may no longer be enough. Companies operating in Mexico must also be able to clearly explain where their capital, materials, components, suppliers, and business relationships come from.
• Supply chain traceability is becoming a competitive advantage. Clear records and transparent operations can help companies protect tariff benefits and respond more effectively to customs reviews.
• Companies that prepare early will be better positioned to reduce risk. Strong documentation and detailed due diligence can help protect access to the North American market and prevent legal, financial, and operational disruptions.