United States Finalizes Section 301 Tariff Framework Based on Forced Labor Enforcement: Thailand Subject to a 12.5% Tariff

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United States Finalizes Section 301 Tariff Framework Based on Forced Labor Enforcement: Thailand Subject to a 12.5% Tariff

In our previous article (USTR Section 301 Forced-Labor Determinations: Implications for Thailand – The Legal Co., Ltd.), we discussed the U.S. Section 301 investigation involving approximately 60 trading partners, including Thailand, and Thailand’s response to the proposed tariff measures through trade negotiations and domestic regulatory reforms.

The Office of the United States Trade Representative (“USTR“) has now concluded that review, announcing the final tariff framework under Section 301 of the Trade Act of 1974 on 23 July 2026. The framework imposes additional tariffs ranging from 10% to 12.5% on imports from approximately 60 trading partners, effective from 24 July 2026.

Although Thailand actively participated in the consultation process and sought both a reduction in the proposed tariff rate and additional product-specific exemptions, it remains subject to the higher 12.5% tariff, which took effect immediately upon the expiry of the preceding tariff measures.

The final framework is significant not only for the additional tariffs it introduces, but also for what it signals: the United States’ continued use of trade policy as a lever to address forced labor concerns and to encourage stronger labor standards and supply chain governance among its trading partners.

Overview of the Final Tariff Framework

The final framework adopts a tiered approach, with tariff rates determined by the USTR’s assessment of each trading partner’s efforts to prevent goods produced using forced labor from entering the U.S. market.

  • 10% tariff — applies to countries that (i) already prohibit imports of goods produced using forced labor, (ii) have committed to implementing such measures through reciprocal trade arrangements, or (iii) have introduced measures offering some protection against such imports. Countries in this category include Argentina, Bangladesh, Cambodia, Canada, Ecuador, El Salvador, Guatemala, Honduras, India, Indonesia, Jordan, Malaysia, Mexico, Pakistan, Sri Lanka, Trinidad and Tobago, and the United Kingdom.
  • 12.5% tariff — applies to countries the United States considers not to have implemented sufficiently effective measures to prevent goods produced using forced labor from entering U.S. supply chains. Thailand falls within this category, alongside China, Hong Kong, Japan, the Philippines, Singapore, and Vietnam, among other trading partners.

According to the USTR, the final framework applies to trading partners representing approximately 99.4% of total U.S. imports. Certain products remain exempt, including oil, natural gas, and goods that cannot be sourced domestically in the United States.

Legal Significance

Beyond the tariff rates themselves, the legal basis for the framework carries equal significance.

According to publicly available reports, the United States introduced the final tariff framework after the U.S. Supreme Court ruled that tariffs previously imposed under emergency powers were unlawful. Rather than relying on those emergency powers, the U.S. government has instead invoked Section 301 of the Trade Act of 1974, which authorizes the USTR to act against foreign government policies or practices considered unfair or burdensome to U.S. commerce.

This development demonstrates that, notwithstanding new limits on the use of emergency powers, the United States continues to rely on existing trade legislation to pursue its broader trade policy objectives. It also reflects a growing trend in which labor standards, human rights, and supply chain governance are increasingly treated as matters of international trade compliance, rather than solely as corporate social responsibility or ESG considerations.

Business Implications

The practical implications of the final tariff framework extend beyond the tariffs themselves.

Businesses exporting to the United States — including manufacturers, suppliers, and other participants in global supply chains — should expect increased requests from customers and business partners to demonstrate that their products are free from forced labor and that appropriate due diligence has been conducted throughout the supply chain.

Businesses should therefore consider:

  • reviewing supplier due diligence procedures;
  • strengthening supply chain traceability;
  • maintaining documentation on product origin and manufacturing processes; and
  • monitoring developments in U.S. trade policy, as well as Thailand’s proposed Human Rights Due Diligence (HRDD) framework.

Taking these steps early may help businesses respond more effectively to evolving customer expectations, reduce compliance risk, and minimize disruption to cross-border trade.

Key Considerations for Businesses

The final tariff framework reinforces the growing convergence between international trade policy, labor standards, and supply chain governance. While the immediate consequence is the additional 12.5% tariff imposed on imports from Thailand, the broader implication is that businesses should expect increasing scrutiny of their supply chains and rising expectations around responsible sourcing and human rights due diligence.

Businesses with operations or supply chains connected to the United States should review their existing compliance programmers, strengthen supplier due diligence and traceability measures, and continue monitoring regulatory developments in both the United States and Thailand to remain prepared for evolving trade compliance requirements.

Author: Panisa Suwanmatajarn, Managing Partner.

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