Learning Resources emphasizes that taxation remains the jurisdiction of Congress, and declaring “emergency!” does not alter the fundamental separation of powers.
Nonetheless, this case carries significant weight for the separation of powers doctrine. A common thread among the majority opinions is the recognition that tariffs are effectively taxes, thus falling squarely within Congress’s financial jurisdiction. An emergency declaration does not shift this authority to the executive branch, reinforcing Congress’s role as the primary legislative body.
Political Ramifications
The political fallout from this decision is poised to impact both the presidency and the Supreme Court significantly. The president has long championed tariffs as a cornerstone of his economic strategy, reflecting his populist narrative that foreign goods and people pose a threat to America. For many citizens, this ruling may be interpreted as a direct challenge to that narrative. With Trump now entering the twilight of his second term, this ruling will likely amplify the perception of his waning influence—a critical factor in political dynamics, as power often hinges on public perception. Expect the president to seek alternative avenues to assert his relevance, perhaps through foreign relations or military engagements.
This ruling also feeds into the broader political narrative surrounding the Supreme Court. Many Democrats have accused the Court of enabling what they view as Trump’s authoritarian tendencies by upholding various controversial actions, often under the guise of emergency powers. These critiques could lay the groundwork for attempts to alter the Court’s composition through expansion or imposing term limits when Democrats regain unified control. However, the Court’s rejection of a critical element of Trump’s agenda complicates such arguments, especially if the president faces further legal setbacks. Ironically, Trump’s attacks on Republican-appointed justices could inadvertently protect one of his major legacies: a Supreme Court that has arguably been the most aligned with originalism in a century.
Economic Consequences
The economic implications of the ruling are significant but remain somewhat ambiguous. While the Court did not explicitly mandate reimbursement of tariff revenues, any pending tariff payments are likely to be reversed, potentially placing the government on the hook for around $175 billion.
The pressing question is whether the president can replicate these tariffs under alternative statutes. No existing law offers the same extensive reach, discretion, and lack of requirement for specific findings that made IEEPA so appealing for the executive. The Trade Act’s Section 122 comes closest, allowing economy-wide tariffs but capping them at 15 percent for a limited duration of 150 days. This limitation could foster long-term economic growth, as Congress would be less likely to endorse such tariffs indefinitely. Moreover, it may hinder Trump’s leverage in negotiations since nations can bide their time rather than rush into agreements under his authoritarian tariff threats. Section 232 permits tariff adjustments on any product but necessitates a national security rationale, consultations, and investigations—steps that could be challenged vigorously. Meanwhile, Section 301 requires specific findings post-investigation to justify tariff retaliation against perceived economic unfairness by individual countries. The silver lining here is that these alternative statutes promote more predictable, rule-based tariffs. While tariffs generally stifle economic growth, the erratic imposition allowed under IEEPA poses the highest risk.
Legal Implications
Beyond the immediate holding that IEEPA does not grant the president tariff authority, the ruling may signal a shift in the Court’s approach to deference in “foreign affairs.” Historically, the Court has been inclined to support presidential power in this domain, as seen in past cases like United States v. Curtiss-Wright. However, six justices backed the notion that tariffs are distinct from foreign affairs, maintaining that authority over foreign commerce is designated to Congress (Article I), not the president (Article II). This interpretation suggests no constitutional basis for broadly interpreting presidential authority reliant on legislative grants from Congress. As history has repeatedly shown, tariffs infringe on domestic liberties, affecting both citizens and foreigners alike.
Another potential legal outcome is the entrenchment of the major questions doctrine as a cornerstone of statutory interpretation in administrative law. This doctrine acts as a barrier against the executive’s broad interpretations of legislative delegations in pivotal regulatory cases, particularly those outside statutes like IEEPA that supposedly touch on foreign affairs.
“The robustness of the major questions doctrine redirects essential political decisions back to Congress, where the Constitution intends them to reside.”
Chief Justice Roberts and Justices Barrett and Gorsuch have expressed strong support for the major questions doctrine, while Justices Kavanaugh, Thomas, and Alito have dissented. Justice Kavanaugh has hailed it as an “important canon” of statutory interpretation, suggesting that his rationale for not applying it in this case—due to tariffs being within the president’s purview regarding foreign affairs—will not hold for domestic regulations. For six justices, the major questions doctrine is expected to curtail agencies and even the president from relying on vaguely worded laws to impose significant restrictions on citizens’ rights, especially when those restrictions carry substantial economic and political weight.
Justice Gorsuch’s concurrence further solidifies the major questions doctrine by tracing its roots back to pre-Constitutional times. He highlights historical practices where corporate charters were interpreted narrowly, emphasizing that executive actions’ legality hinges on the size of the power claimed relative to the clarity of the authority granted. Gorsuch’s argument posits that the major questions doctrine reflects a long-standing interpretive method applicable to executive powers within our constitutional framework from the outset. He identifies a “clear-statement rule” akin to the major questions rule, showcasing that statutory meaning must account for established interpretive conventions, not just literal definitions.
Gorsuch also critiques Justices Kagan and others for their inconsistent application of the major questions doctrine. In Learning Resources, they argue that a major-questions clear-statement rule is unnecessary for interpreting a broad delegation to regulate importation or exportation as excluding tariff imposition. Contrarily, these justices have previously interpreted broad grants of authority to allow agencies sweeping powers. Gorsuch contends that this inconsistency undermines their credibility as principled textualists, contrasting sharply with those advocating for the major questions doctrine.
The reinforcement of the major questions doctrine effectively shifts pivotal political decisions back to Congress, promoting greater stability and reducing polarization. Congress is more likely to negotiate and compromise across diverse interests than executive actors imposing unilateral decisions based on ambiguous statutes. When significant burdens are placed on citizens and the stakes are high, statutory interpretation should not hinge on vague language manipulated to grant the executive additional power. Learning Resources reaffirms that legislative authority lies with Congress, and simply declaring “emergency!” does not rewrite the separation of powers.
This analysis has also been published on Law & Liberty, a part of the Liberty Fund network.
*John O. McGinnis is the George C. Dix Professor in Constitutional Law at Northwestern University and a senior writer at Law & Liberty. He is the author of Accelerating Democracy (2012) and coauthor, with Mike Rappaport, of Originalism and the Good Constitution (2013). A graduate of Harvard College, Balliol College (University of Oxford), and Harvard Law School, he has contributed to prominent law reviews, including Harvard, Chicago, and Stanford, as well as The Yale Law Journal, and various opinion journals, including National Affairs and National Review.
