US Accuses More Than 40 Countries of Helping China Bypass Tariffs
The Trump administration has widened its trade confrontation with China beyond Chinese exporters themselves, accusing more than 40 countries of providing routes through which Chinese goods can reach the United States while avoiding higher tariffs.
A White House report released Thursday alleges that Chinese companies have increasingly relied on third-country supply chains, altered paperwork and other methods to obscure the true origin of goods. Countries named in the report include India, Canada, Mexico, Japan and South Korea.
The allegation matters because it shifts part of Washington’s tariff strategy from imposing duties to enforcing where products actually come from. If the United States cannot reliably determine a product’s origin, higher tariffs on China can be weakened simply by changing the route a shipment takes.
The White House estimates that between roughly $30 billion and $300 billion in goods may have been moved through such arrangements, citing government and private-sector estimates. The range is unusually wide, underscoring that the precise scale of tariff evasion remains uncertain. The administration says the resulting loss of tariff revenue has been substantial.
Peter Navarro, the White House trade adviser, argued that the practice has damaged American manufacturers and reduced government revenue.
China rejected the broader US approach. A spokesperson for the Chinese embassy in Washington said trade wars do not produce winners and opposed unilateral US tariff measures targeting Chinese companies. The spokesperson also warned that action against transshipped goods should not harm third countries.
The governments of several countries named in the report had not immediately responded to requests for comment, according to the source material.
Why transshipment has become a central trade issue
Transshipment itself is not illegal. Global commerce routinely involves goods passing through multiple countries before reaching their final destination.
The problem arises when a shipment is deliberately routed through another country to conceal its actual origin or to evade duties. A product made in China, for example, could be shipped to another country, undergo limited processing or repackaging, and then be exported to the US with documentation that allegedly obscures its Chinese origin.
That distinction is crucial for countries such as India, Mexico, Canada, Japan and South Korea. Being identified in the White House report does not by itself establish that their governments knowingly participated in tariff evasion or that all trade moving through those countries was improper.
The administration has been building a tougher enforcement system for this problem. A 2025 White House order already provided for an additional 40% duty on goods that US Customs and Border Protection determines were transshipped to evade applicable duties.
The latest campaign therefore represents an expansion of an existing policy rather than an entirely new approach.
AI moves into the customs fight
One of the more consequential elements of the administration’s strategy is its use of artificial intelligence to examine trade data.
US officials have described a system known as “Detective Border”, designed to help Customs and Border Protection identify suspicious trade patterns. The administration says such technology can compare information about shipments, origins and supply chains to identify inconsistencies that may be difficult to detect manually.
That could make enforcement more systematic. Instead of relying only on physical inspections, customs officials can use large volumes of trade data to identify shipments or companies that warrant closer examination.
But the technology does not remove the underlying legal question: determining whether a product’s origin has actually been misrepresented requires evidence, not simply an unusual trade pattern.
The pressure is spreading beyond China
The report comes as Washington is applying tariff pressure across a large part of the global trading system.
In July, the administration imposed new Section 301 tariffs on goods from dozens of economies after investigations into the enforcement of forced-labor import restrictions. India, Canada, Mexico, Japan and South Korea were among the economies covered by those investigations.
The White House has also continued to adjust country-specific tariffs. Recent measures affecting Canada, for example, have included additional duties on particular categories of Canadian goods.
That creates a difficult environment for multinational manufacturers. Companies increasingly have to consider not only where a product is assembled, but also where its components originate and whether the processing carried out in an intermediate country is sufficient to change its legal country of origin.
For businesses, the practical consequence is likely to be greater scrutiny of supply-chain documentation, manufacturing records and customs declarations.
For countries accused of serving as intermediaries, the issue is more politically sensitive. Governments can support legitimate trade with China while still facing US pressure to prevent their territories from becoming conduits for tariff avoidance.
The larger question: can tariffs work without strict rules of origin?
The latest dispute exposes a basic limitation of country-specific tariffs.
A tariff is easiest to enforce when the origin of a product is straightforward. Modern manufacturing is rarely that simple. A consumer product can contain components from several countries, be assembled somewhere else and then distributed through another logistics hub before reaching its final market.
That makes rules of origin and customs enforcement nearly as important as the headline tariff rate.
Peter Navarro has previously argued that rising trade deficits with countries such as Mexico, Vietnam and Malaysia deserve scrutiny because some lower-tariff economies can become staging points for Chinese exports.
The administration is now seeking to put anti-transshipment provisions into trade arrangements with other countries, while threatening penalties against trading partners it believes are facilitating circumvention.
The approach could produce a significant change in global supply chains if companies decide that routing production through a third country is no longer worth the regulatory risk.
Sources Used
White House — July 2026 Section 301 memorandum — verification of the administration’s broader tariff investigations and affected economies.
White House — Further Modifying the Reciprocal Tariff Rates — background on the US policy imposing additional duties on goods determined to have been transshipped to evade tariffs.
What happens next
The immediate test will be enforcement.
Washington will have to distinguish legitimate international manufacturing from deliberate tariff evasion while avoiding treating every increase in Chinese-linked trade through a third country as evidence of wrongdoing.
That distinction will matter particularly for countries named in the report. Governments and businesses are likely to seek clarity about what evidence US authorities will use, which processing activities can establish a new country of origin, and what penalties will apply when customs officials determine that declarations were false.
The issue also adds another complication to US-China relations ahead of planned high-level talks. The administration’s message is increasingly that tariffs are only effective if the entire supply chain behind an import can be monitored.
For American importers, that means the next phase of the tariff dispute may be fought less visibly than the earlier rounds of headline tariff announcements. The critical questions could instead concern factory records, component origins, customs databases and the algorithms used to flag suspicious shipments.
That makes the transshipment dispute more than a disagreement over China. It is becoming a test of how far the United States can extend its tariff policy through the increasingly complicated networks that connect global manufacturers to American consumers.
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