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IEEPA Tariffs Supreme Court Ruling: V.O.S. Selections Inc. v. United States Explained

A comprehensive analysis of the 6-3 Supreme Court ruling that struck down IEEPA tariffs and opened $166 billion in refund claims.

Tariff Refund Guides Editorial Team Published April 1, 2026 Updated April 20, 2026 6 min read

The Case That Changed Everything: V.O.S. Selections Inc. v. United States

In February 2026, the Supreme Court of the United States issued one of the most consequential trade decisions in American legal history. In V.O.S. Selections Inc. v. United States, a 6-3 majority struck down the entire IEEPA reciprocal tariff framework that had been in place since early 2025, ruling that the International Emergency Economic Powers Act does not authorize the President to impose broad, open-ended tariffs during peacetime.

The decision set the stage for an estimated $166 billion in refunds — the largest customs-duty refund event in U.S. history.

The Plaintiffs

V.O.S. Selections Inc. is a wine and spirits importer based in New York. Like thousands of U.S. importers across every industry, V.O.S. had been absorbing substantial cost increases from IEEPA tariffs on products imported from European countries. The company’s founder and CEO chose to become the named plaintiff in a challenge that was consolidated with dozens of similar cases from importers across the country.

The lead plaintiff being a wine importer was in some ways apt — the company imported goods from France and Italy that bore the 20% EU-wide IEEPA rate. But the case was argued and decided on grounds that applied far more broadly to all IEEPA tariffs on all goods from all covered countries.

The Journey to the Supreme Court

The legal challenges to IEEPA tariffs began almost immediately after the tariffs were announced. Cases were filed in the U.S. Court of International Trade (CIT), which has exclusive jurisdiction over customs and trade-related matters. The CIT — a specialized Article III court in New York — issued a preliminary injunction blocking some tariff collections while the merits were litigated.

After the CIT ruled on the merits (finding the tariffs unlawful), the government appealed to the Court of Appeals for the Federal Circuit, which affirmed the CIT’s ruling. The government then sought review from the Supreme Court, which granted certiorari given the massive implications of the case.

The Court heard oral argument in December 2025. The case attracted enormous attention from across the business community, with dozens of amicus briefs filed by trade associations, manufacturers, retailers, and constitutional scholars.

The Majority Opinion

Chief Justice Roberts authored the majority opinion, joined by Justices Sotomayor, Kagan, Gorsuch, Kavanaugh, and Barrett. The 6-3 alignment was notable: the majority cut across the traditional conservative-liberal divide, with three conservative justices joining the three liberal ones.

The majority opinion rested on two related but distinct grounds.

The Major Questions Doctrine

The Court applied the “major questions doctrine,” which it had articulated and expanded in recent years. Under this doctrine, when an agency or executive branch actor claims authority to regulate a matter of vast economic and political significance, it must point to clear congressional authorization for that specific authority. The doctrine prevents agencies from bootstrapping obscure statutory language into sweeping regulatory power on nationally important questions.

The majority found that the imposition of sweeping tariffs on dozens of trading partners — affecting hundreds of billions of dollars in trade and touching virtually every sector of the U.S. economy — was unquestionably a matter of vast economic and political significance. IEEPA’s general authorization to “regulate” commerce in a national emergency, the majority held, was not the kind of clear, specific delegation that the major questions doctrine requires.

Statutory Text and Structure

The majority also analyzed IEEPA’s text and structure in detail. It found that IEEPA’s list of authorized measures — blocking transactions, voiding contracts, seizing assets, imposing licensing requirements — was most naturally read to describe targeted sanctions against specific actors or countries, not the wholesale restructuring of U.S. tariff policy across the global trading system.

The majority noted that Congress has, when it intended to delegate tariff authority to the President, done so explicitly and with defined bounds. Section 201 (escape clause tariffs), Section 232 (national security tariffs), and Section 301 (unfair trade practice tariffs) all provide detailed frameworks with specific triggers, procedural requirements, and limits. IEEPA’s emergency language contained no such framework for tariff imposition.

The National Emergency Finding

The majority addressed the administration’s argument that the persistent U.S. trade deficit constituted an “unusual and extraordinary threat” justifying emergency powers. The Court was skeptical. The trade deficit had existed for decades, had been studied extensively, and was not — in the majority’s view — the kind of sudden, acute crisis that IEEPA was designed to address. Allowing the “unusual and extraordinary threat” standard to encompass any long-standing economic imbalance that a president chose to designate as an emergency, the majority reasoned, would effectively grant presidents unlimited tariff authority, contradicting the Constitution’s explicit vesting of tariff power in Congress.

The Dissent

Justice Thomas wrote the principal dissent, joined by Justices Alito and Jackson. The dissent argued that IEEPA’s text was broad enough to encompass tariff imposition — the word “regulate” has always encompassed tariffs in the legal tradition, and Congress was aware of this when it passed IEEPA. The dissent also took issue with the majority’s application of the major questions doctrine, arguing that the doctrine was being deployed to override clear statutory text based on the Court’s policy preferences about who should set trade policy.

The dissent would have upheld the IEEPA tariffs as a lawful exercise of delegated executive authority.

The ruling had several immediate consequences.

CBP suspension of IEEPA duty collection. CBP immediately stopped assessing IEEPA reciprocal duties on new entries as of February 20, 2026.

Administration’s pivot to Section 122. Within four days, the administration invoked Section 122 of the Trade Act of 1974 to impose a 10% universal tariff as a balance-of-payments measure. This was a legally distinct authority with its own constitutional and statutory footing.

CIT order establishing refund mechanism. The U.S. Court of International Trade, implementing the Supreme Court’s mandate, issued a detailed remedial order directing CBP to establish a refund mechanism for all IEEPA duties collected during the covered period. This CIT order set the legal foundation for CAPE.

CAPE portal launch. CBP announced and launched the CAPE portal on April 20, 2026, pursuant to the CIT’s remedial order.

What the Ruling Does Not Address

The Supreme Court’s ruling was carefully limited. It does not:

  • Affect Section 301 tariffs on Chinese goods (different statute, different legal basis)
  • Affect Section 232 steel and aluminum tariffs (national security authority, not IEEPA)
  • Affect Section 122 replacement tariffs (different statute, legal question not yet litigated)
  • Address the President’s inherent authority over trade in genuine national security emergencies involving armed conflict

Significance for U.S. Trade Policy

Beyond the immediate refund implications, V.O.S. Selections v. United States is a landmark case in the constitutional law of trade. It constrains future administrations from using IEEPA as an all-purpose tariff tool and reaffirms Congress’s role as the primary constitutional actor in setting trade policy. Whether Congress will act to explicitly delegate broader emergency tariff authority to the executive — or whether a future administration will attempt Section 122 or other statutory routes to impose broad tariffs — remains to be seen.

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