Examining the Unresolved Questions Surrounding Section 301 Tariffs

When the Supreme Court declined to hear the case of HMTX Industries v. U.S., it left unanswered the question of the legality of President Trump’s Section 301 tariffs on China. The challenge focused on interpreting a single word in the Trade Act of 1974. Specifically, Section 307 grants the U.S. Trade Representative the power to ‘modify’ existing trade actions if circumstances change.

HMTX Industries contended that expanding tariffs from about $50 billion to $370 billion in Chinese imports wasn’t a simple modification but a transformation. This argument was strategically sound given that a petition asking a single clear legal question tends to fare better. However, narrowing the issue to modifying skirted a broader debate.

Implicitly accepting the government’s view that certain listed imports were modifications set the stage for assessing scale. How extensive can a modification be before it stops being one? Is $370 billion too much, but $200 billion or $100 billion is not?

The statute provides no clear stopping point. The Department of Justice offered its perspective by noting China’s retaliation and the evolving negotiations. USTR was expected to adjust remedies as required.

The more pressing question is whether these imports represented true modifications or different strategic objectives. The 2017 Section 301 investigation focused specifically on problems like forced technology transfer and IP theft. The initial tariffs aimed at addressing these issues.

Over time, tariffs became tools of economic pressure. They addressed Chinese retaliation, strengthened the U.S. bargaining position, and sought broader changes in Chinese trade policy. These align with trade war tactics but diverge from the statutory goals of Section 301.

The distinction is important as Section 301 mandates thorough investigation and public input pre-sanction. In contrast, Section 307 allows remedy adjustments when warranted. Flexibility and existing remedies are preserved, but changing objectives without new investigations undermines this legislative architecture.

The Supreme Court didn’t address this because it wasn’t directly presented. However, this issue will resurface. Blurring the line between Sections 301 and 307 circumvents procedures. It burdens one inquiry with responsibilities it wasn’t meant to carry.

Future presidents may interpret tariffs as platforms for broader objectives rather than corrective measures. They might be used to advance geopolitical goals and secure agreements. Litigants should focus on whether statutory purposes are being redefined rather than if the word ‘modify’ is stretched too far. This question remains crucial and unresolved by the highest court.

Marc L. Busch is a professor at Georgetown University. Barry Appleton is co-director of the Center for International Law at New York Law School. The authors emphasize the importance of statutory integrity in trade law.