Frankensteining IEEPA: The Case for Reforming Section 301

By. Michael Marion

DOI. 10.57912/33411673

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 On March 11th, 2026, the United States Trade Representative (USTR) self-initiated Section 301 investigations into sixteen economies worldwide, alleging structural excess manufacturing capacity. In the associated Federal Register notice, the executive agency cited a range of reasons for the action, which can be divided into two categories: evidentiary–economic conditions (ex. trade surpluses, unprofitable firms, etc.) that may signal the presence of unjust government support–and explicit policy interventions–named actions by countries like currency manipulation or state-owned enterprise (SOE) activities that unfairly hurt American firms. One day later, another S. 301 investigation was self-incited, targeting sixty of the United States’s largest trading partners for failure to restrict imports made with forced labor. In an attempt to fill the void left by the late International Emergency Economic Powers Act (IEEPA) tariffs, the Trump Administration has deployed S. 301 of the Trade Act of 1974. This reflects a politicization of the statute that must be countered if it is to remain a reliable source of valid trade action. Two reforms would stall this regressive evolution: limiting the reasons for initiation to specific conditions and capping the number of states that USTR can investigate per S. 301 case.

S. 301 of the Trade Act of 1974 and its subsequent amendments allow USTR to impose duties on imports from states engaging in unreasonable or unjustifiable tariffs, subsidies, or broader trade restrictions harming American businesses. It may also be invoked against states that do not uphold their end of trade agreements with the United States. Under either rationale, the goal is to end the proliferation of the detrimental action. After a USTR-led investigation stage, which involves public hearings and consultations with the offending foreign governments, USTR can impose duties on those partners if necessary. The scope of S. 301 investigations is open-ended, while the main check on the unlimited application of the provision is a four-year review mechanism; this is initiated at the request of an interested party, where further public comments and analysis are conducted before duties can be eliminated or reapproved.

From the statute’s inception in 1974 through 1995, S. 301 was invoked 95 times, with a significant decrease in use–only 35 initiations between 1995 and 2020–attributable to the establishment of the World Trade Organization’s (WTO) enforceable dispute mechanism. Traditionally, the rationale for taking S. 301 action has been concrete, disadvantaging economic policies spearheaded by foreign economies. This encompasses subsidies, intellectual property violations, discriminatory treatment of imports, and other discernible practices. S. 301 investigations begin, then, with a feasible and precise goal. Historically, this has yielded quick, beneficial results in negotiations to either reform or abolish the offending measure. Without such an explicitly identified impetus, negotiations risk addressing deeply nebulous issues with few objective fixes. Theoretically, tariff action becomes more likely.

Unfortunately, that inferior symptoms-based approach is embodied in the structural excess capacity S. 301 investigation. The heavy citing of evidentiary indicators–for ten of the sixteen economies, only evidentiary indicators are mentioned in the Federal Register notice–obscures exactly what USTR wishes to see changed. In other words, there are largely undefined policies in need of fixing, only broad accusations (ex. overcapacity). Meanwhile, the S. 301 on imports made with forced labor discusses the policies of the sixty states under investigation even less. Some, like Canada and Mexico, are recognized as having adopted measures to stop the alleged practice. However, without any supporting data or information, USTR deems them ineffective.

Subtly, there are also strategic connotations to more vague S. 301s. For example, every country under investigation for structural excess capacity has trade surpluses mentioned as a reason for the S. 301 investigation. If past S. 301 precedent is to be followed, that would mean tariff action would not be removed until those trade surpluses were eliminated, or major progress had been made in doing so. But trade surpluses are difficult to address given the scope of policies and contexts that may induce their existence outside of a government’s domain (ex. comparative advantage). Problems would arise from the scale of what USTR is pledging to investigate, coupled with the unlikelihood that a state’s trade surplus can be quickly reversed. In the end, the credibility of future S. 301 action will be damaged by these inactualizable S. 301s, while resources are wasted on issues not best resolved through tariffs.

Integrally, S. 301 is not meant purely for protectionism, but to end with the erasure of the damaging policy under investigation. For the past half-century, that is how the statute has been employed, with every announcement of an investigation accompanied by the identification of what government-sponsored policy needs to change. Naming policies, such as an unfair tax or a preferential buying agreement with another trading partner, permit the development of a plan to end their imposition. Issues like trade surpluses, sector overcapacity, and unprofitable firms, when not tied to corresponding government programs, make a predictable resolution difficult to reach and quantify. When the potential topics of investigation are so expansive, countries may balk at what they perceive as a wholly political determination of fault.

This hints at the true role of the S. 301s on manufacturing excess capacity and forced labor: as legal replacements to the struck-down IEEPA duties. In American international trade law, there is a tradition of upholding delegations of trade policy authority to the executive if the delegation is clearly defined and connected to the executive’s national security powers. S. 301 fits those stipulations, and, accordingly, has already passed a major legal hurdle. HTMX Industries, LLC v. U.S. (2019) affirmed S. 301’s constitutionality and USTR’s ability to increase punitive action if the tariffed relationship has changed since the initial duty-laying. In substituting in S. 301 for the unconstitutional tariff regime, the statute is subsumed into the Trump Administration’s protectionist political project.

Ensuring S. 301 continues to be wielded as a targeted threat to induce productive negotiations, as opposed to a tool to gain leverage and make a political statement, requires limitations on the initiation of investigations. This could be achieved through making initiations unable to rely on evidentiary indicators without directly naming associated foreign government policies and keeping the number of foreign entities per S. 301 invocation to one.

The first reform is premised on ensuring S. 301 investigations have concise, achievable metrics by which to assess if duties should be enacted or lifted. It would codify standard practice and prevent the waste of resources on vaguely-conditioned S. 301 cases. Intrinsically, this would not severely constrain the use of S. 301 but force accountability upon its imposition. Ongoing S. 301 investigations like that against China for violations of the Phase One Agreement from 2019 easily meet this new qualification; it may require the retrospective editing of notices like that for the pending investigation into Brazilian economic practices, yet the only S. 301s that would need to be rescinded would be the latest two initiations. Subsequent investigations will have concentrated economic interventions to analyze, not a sprawling array of possible routes.

The second reform addresses the fact that most, if not all, unjustifiable trade practices are unique to a single partner. At one time, USTR adhered to this principle, as seen in the three separate S. 301 investigations into Colombia, Costa Rica, and the EU over a preferential banana-buying agreement. Keeping S. 301 cases compact enables the prompt and comprehensive analysis of country-specific barriers to trade. Relatedly, if an economic issue is genuinely pervasive enough to warrant investigation across more than a few economies, then multilateral negotiations will be more effective than punitive tariffs in driving its removal. Institutions like the WTO were built for this type of agreement facilitation, and it is likely that an initiative deepening the enforcement of a rule like anti-forced-labor-importation would be met with widespread support. Through working with states in an international forum or on a plurilateral basis, a more thorough deal can be forged while preserving diplomatic goodwill.

When S. 301 was enacted as a presidential power in American trade policy, legislators could not have imagined it would be used without the attention to intricacies each issue deserves. The ethos of the statute is majorly valuable in light of a fast-paced, globalized economy. Indisputably, the United States needs policies able to counter subversive or discriminatory economic actions by commercial partners. But, in doing so, realizable goals, good faith justifications, and above all, economics-based logic cannot be forsaken. This Administration has proven itself capable of following those principles, exemplified by the Phase One S. 301 investigation on China. Its latest deployment of S. 301 displays a worrying departure from that informedness. To avoid any future uncertainty in poorly crafted S. 301 actions, Congress must act by passing limitations on the initiation rationale and the countries that can be investigated under  S. 301. The global credibility of the United States’ trade measures depends on it.