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Beyond tariffs: The Supreme Court’s major questions divide

2/27/26

By: Robert Scavone Jr.

Learning Resources, Inc. v. Trump is, on its face, a statutory interpretation case about whether the International Emergency Economic Powers Act (IEEPA) authorizes the President to impose tariffs. But the opinion also became an unusually clear snapshot of the Supreme Court’s internal disagreement over the major questions doctrine (MQD): what it is, when it applies, and whether it is truly distinct from ordinary statutory interpretation. The case arose from presidential proclamations imposing tariffs under IEEPA in response to declared national emergencies tied to drug trafficking and trade deficits. Small-business importers challenged the tariffs in federal court, and the litigation reached the Supreme Court through consolidated proceedings involving the D.C. district court path and the Court of International Trade/Federal Circuit path.

The Court’s controlling holding is straightforward and significant: by a 6–3 vote, the Court held that IEEPA does not authorize the President to impose tariffs. The six-Justice majority on the key merits portions reads IEEPA as a limited delegation that authorizes the President to regulate specified foreign-related transactions, but not to impose tariffs or duties. The opinion emphasizes that Congress knows how to delegate tariff authority expressly and has done so in other statutes; IEEPA does not use tariff-specific language, and the statutory power to “regulate . . . importation” is not naturally read to include taxation. That statutory holding—not parts II-A-2 and 3 on the MQD—is the binding rule of the case.

The majority’s statutory analysis also matters because it is not framed as a close call resolved only by an anti-executive canon. Instead, the controlling six-Justice bloc treats the Government’s reading as inconsistent with the statute’s text, structure, and the way Congress typically legislates in trade and tariff matters. That framing strengthens the precedential force of the opinion for future statutory cases involving broad executive claims of economic authority: litigants can rely on Learning Resources as a text-and-structure case even if a court is reluctant to engage MQD.

A related practical point is that the Court’s statutory holding is independent of any broader constitutional theory about delegation. In other words, the Court did not need to decide whether Congress could delegate tariff authority through IEEPA in some clearer form; it held only that Congress did not do so in the statute as written. That makes the decision both narrower and, in some ways, more portable as precedent.

The most important structural point for readers is the vote breakdown on MQD. Although Chief Justice Roberts discusses major-questions reasoning, only the he, and Justice Gorsuch and Barrett joined the relevant portions (Parts II-A-2 and III). Justices Sotomayor, Kagan, and Jackson joined the statutory portions but did not join the MQD sections. As a result, the MQD analysis is best characterized as a three-Justice alternative rationale rather than a holding of the Court. This distinction matters because it preserves the opinion’s strong precedential force on IEEPA.

That vote split is not just a technicality; it is the central interpretive feature of the case for anyone writing about MQD. The opinion can be misread if the statutory holding and MQD discussion are collapsed into a single “6–3 major questions case.” It is better understood as a 6–3 statutory interpretation decision with an additional 3-Justice MQD overlay that signals where some Justices want the doctrine to go.

The separate opinions sharpen the Court’s doctrinal split. Justice Kagan (joined by Justices Sotomayor and Jackson) agrees with the result but says MQD is unnecessary because ordinary statutory interpretation already resolves the case. Justice Jackson separately criticizes the MQD inquiry as speculative and argues courts should rely more directly on legislative history to determine what Congress actually intended IEEPA to authorize. Justice Barrett, by contrast, joins the MQD discussion but tries to normalize the doctrine, presenting it as ordinary textualism-in-context rather than a freestanding super-canon. She characterizes the MQD as a “clarity tax on Congress. Justice Gorsuch defends MQD as a real separation-of-powers constraint requiring clear authorization for extraordinary assertions of executive power.

Justice Gorsuch’s concurrence is especially notable because it reads almost like a doctrinal defense memorandum for MQD itself. He not only supports the doctrine’s application here, but also responds directly to competing theories advanced by Justices Barrett, Kagan, Kavanaugh, and Thomas. Justice Gorsuch’s concurrence makes explicit that the real disagreement is not simply whether the President wins or loses under IEEPA, but whether MQD is best understood as a substantive clear-statement rule, ordinary interpretive method, or something courts should avoid invoking when standard tools suffice.

The dissents deepen, rather than narrow, the debate. Justice Kavanaugh (joined by Justices Thomas and Alito) treats MQD as a distinct doctrine that matters precisely when ordinary statutory interpretation might otherwise favor the Executive, and he argues that either IEEPA clearly authorizes tariffs or MQD should be loosened in foreign-affairs cases. Justice Thomas separately advances a foreign-commerce/nondelegation theory under which tariffs fall outside the “core legislative power” that triggers strict nondelegation concerns, making broad delegation to the President more permissible in this domain. Together, the dissents frame foreign affairs as the key frontier for future MQD and nondelegation disputes.

Justice Thomas’s dissent is particularly important for a different reason: it highlights an emerging debate over whether foreign commerce should be treated as categorically different from domestic regulatory delegations. That position, if it gains traction, could create a doctrinal carveout in cases involving trade, sanctions, and other external-affairs statutes—even as the Court continues to police broad delegations more aggressively in domestic administrative contexts.

The case therefore leaves two important legacies: (1) a controlling 6-Justice statutory holding limiting IEEPA, and (2) a sharply revealed internal divide over MQD’s nature, scope, and future role—especially in foreign-affairs and presidential-power cases.

Where does the MQD go from here?

This case makes several fault lines explicit: whether MQD is a distinct clear-statement rule (Justices Kavanaugh/Gorsuch) or ordinary contextual textualism (Justice Barrett); whether courts should invoke MQD when ordinary statutory interpretation already resolves the case (Justice Kagan says no); whether legislative history should play a larger role in “major power” cases (Justice Jackson says yes); and whether foreign affairs/foreign commerce changes the separation-of-powers calculus (Justice Kavanaugh and especially Justice Thomas say yes). The practical takeaway is that MQD is not going away, but future briefing will likely focus as much on characterizing the doctrine as on applying it.

For more information, please contact Robert Scavone Jr. at robert.scavone@fmglaw.com or your local FMG attorney.

Information conveyed herein should not be construed as legal advice or represent any specific or binding policy or procedure of any organization. Information provided is for educational purposes only. These materials are written in a general format and not intended to be advice applicable to any specific circumstance. Legal opinions may vary when based on subtle factual distinctions. All rights reserved. No part of this presentation may be reproduced, published or posted without the written permission of Freeman Mathis & Gary, LLP.