President Donald Trump’s latest tariff strategy faced a major legal test Wednesday as the U.S. Court of International Trade heard arguments over duties imposed on goods from 60 trading partners under a forced-labor enforcement theory. The tariffs range from 10% to 12.5% and cover more than 99% of U.S. imports, making the case one of the most consequential challenges to the administration’s trade policy since the Supreme Court struck down Trump’s earlier use of emergency powers.
The consolidated challenge was brought by four small businesses and 25 Democratic-led states. The plaintiffs argued that the administration exceeded the authority Congress delegated under Section 301 of the Trade Act of 1974, while the government defended the tariffs as a lawful response to foreign governments that fail to curb commerce involving forced labor.
Trump Forced Labor Tariffs Reach the Trade Court
The tariffs were imposed in July after the administration concluded that dozens of U.S. trading partners were not adequately preventing goods produced with forced labor from entering their markets. Countries with stronger restrictions generally face a 10% tariff, while others are subject to 12.5% duties, with some product categories exempted.
The legal question is not whether forced labor is a serious trade and human-rights concern. The dispute centers on whether Section 301 allows the president and the U.S. trade representative to impose broad tariffs on nearly all imports from dozens of countries without more specific country-by-country findings connecting each government’s conduct to the remedy chosen.
American News Brief previously reported that 25 states sued the administration over the forced-labor tariffs in August. Wednesday’s hearing is the material new development because the court is now testing the government’s legal theory rather than simply reviewing the initial complaint.
Section 301 Is the Administration’s New Legal Foundation
Section 301 gives the executive branch authority to respond to certain unfair foreign trade practices after investigation and formal findings by the U.S. trade representative. The law has been used for decades, including during Trump’s first term to impose tariffs on Chinese goods after investigations into technology transfer and intellectual-property practices.
The administration argues that foreign governments that fail to restrict goods made with forced labor create an unfair competitive environment for U.S. workers and companies. Officials say broad tariffs are justified because weak enforcement abroad can allow lower-cost products tied to abusive labor practices to circulate through global supply chains.
The plaintiffs counter that Section 301 requires a tighter relationship between the identified trade practice and the remedy imposed. They argue that a near-global tariff program transforms a targeted enforcement statute into a general presidential power to tax imports, something Congress did not authorize.
The Supreme Court’s February Ruling Shapes the Case
The current litigation cannot be separated from the Supreme Court’s February decision rejecting Trump’s earlier worldwide tariffs under the International Emergency Economic Powers Act. The court held that the emergency statute did not clearly give the president authority to impose sweeping import taxes without congressional approval.
American News Brief covered that ruling when the Supreme Court invalidated the administration’s emergency tariff program. The administration responded by turning to narrower trade statutes, including Section 122 and Section 301, in an effort to preserve significant tariff leverage within authorities Congress had explicitly delegated.
The forced-labor case will therefore help define how much room remains for broad tariff action after the Supreme Court narrowed emergency powers. A ruling for the administration could validate Section 301 as a flexible tool for wide-ranging trade enforcement, while a ruling for the challengers could require much more individualized investigations and remedies.
States and Small Businesses Say the Tariffs Raise Costs
The challengers include states with large ports, manufacturing bases and public procurement budgets, along with small businesses that say the tariffs increase the cost of imported goods and components. Their lawyers argue that the duties impose direct economic harm while resting on an unlawful delegation theory.
Small businesses are particularly sensitive to import duties because they often have less bargaining power and fewer supplier alternatives than multinational companies. A large manufacturer may be able to shift production or negotiate lower prices, while a small importer can face immediate margin pressure when a tariff increases landed costs by 10% or more.
States also buy imported vehicles, medical equipment, technology and construction materials. They argue that higher tariffs can increase public spending and indirectly raise costs for residents and local businesses even when customs duties are formally paid by importers.
The Administration Defends Tariffs as Labor Enforcement
The administration says the tariffs serve a legitimate trade purpose by pressuring governments to strengthen forced-labor bans and prevent abusive products from circulating through their markets. The United States has prohibited imports made with forced labor for decades, and officials argue that other countries should apply comparable standards.
The government also maintains that USTR conducted the investigations and consultations required by law before imposing the duties. Its position is that Section 301 gives the executive branch substantial discretion to determine how to respond when foreign practices burden U.S. commerce.
The challengers say the investigations were too generalized because the same basic tariff structure was applied across economies with very different laws, industries and enforcement records. They contend that forced labor is being used as a legal justification for recreating the broad tariff architecture the Supreme Court previously rejected under a different statute.
A Ruling Could Reshape Presidential Trade Power
The Court of International Trade is expected to issue a written ruling after considering the arguments and administrative record. Whatever the panel decides, the losing side could appeal to the U.S. Court of Appeals for the Federal Circuit and potentially return to the Supreme Court.
A decision upholding the tariffs would strengthen presidential authority under Section 301 and could encourage future administrations to use the law more aggressively for labor, environmental, subsidy or market-access disputes. A decision against the government could force USTR to narrow the duties, conduct additional investigations or target specific countries and products more closely.
The economic consequences are significant because the tariffs affect nearly all U.S. imports from the covered trading partners. Businesses must continue paying the duties unless a court blocks them, creating uncertainty over whether future refunds might be available if the policy is ultimately invalidated.
The Trump forced labor tariffs case is therefore both a trade dispute and a test of institutional power. The court must decide whether the administration is using a lawful congressionally delegated tool to address abusive labor practices or stretching Section 301 beyond the limits lawmakers intended after another broad tariff strategy failed at the Supreme Court.
