Federal Appeals Court Says IEEPA Did Not Authorize the Challenged Tariffs
On August 29, 2025, the U.S. Court of Appeals for the Federal Circuit ruled that President Donald Trump exceeded the authority Congress granted under the International Emergency Economic Powers Act, or IEEPA, when he used the statute to impose sweeping tariffs tied to declared national emergencies.
In the consolidated cases V.O.S. Selections, Inc. v. Trump and a challenge brought by a group of states, the divided court affirmed the central conclusion of the U.S. Court of International Trade: the challenged tariffs went beyond what IEEPA authorized. The Federal Circuit's August 29 opinion described the measures as extraordinarily broad in scope, amount and duration.
The case involved two major groups of tariffs: duties imposed in connection with drug-trafficking emergencies involving Canada, Mexico and China, and the administration's broader "reciprocal" tariffs imposed on imports from many trading partners.
What the Appeals Court Actually Decided
The dispute centered on the meaning of IEEPA, a 1977 law that gives presidents substantial economic powers after declaring a national emergency involving an unusual and extraordinary foreign threat. The statute allows the president to "regulate" certain economic transactions and importation, but it does not expressly use the word "tariff."
The Trump administration argued that the authority to regulate imports was broad enough to include tariffs. The challengers argued that Congress had not delegated such sweeping taxing authority through IEEPA and pointed to other trade laws in which Congress explicitly authorized tariffs while also imposing procedural and substantive limits.
The Federal Circuit agreed that the challenged tariff programs exceeded the authority delegated under IEEPA. It affirmed declaratory relief stating that the executive orders were invalid as contrary to law.
The court did not, however, simply affirm every part of the lower court's remedy. It vacated the Court of International Trade's universal permanent injunction and sent the remedy question back for reconsideration in light of the Supreme Court's ruling in Trump v. CASA, which addressed limits on universal injunctions.
Why the Tariffs Stayed in Place During the Appeal
The practical effect of the August 2025 decision was therefore more complicated than a simple declaration that the tariffs would immediately disappear. The Federal Circuit separately allowed the tariffs to remain in effect temporarily while the administration prepared its Supreme Court appeal.
That distinction was important for importers, consumers and foreign governments. The court had ruled against the administration on the core statutory question, but collection of the affected tariffs continued while further judicial review was underway.
The administration promptly announced that it would seek Supreme Court review. Contemporary reporting from Reuters detailed the government's planned appeal and the significance of the Federal Circuit's decision.
Which Tariffs Were at Issue?
The ruling did not invalidate every tariff imposed by the Trump administration. It focused on tariffs imposed under IEEPA.
The challenged measures included the administration's broad "reciprocal" tariff program and emergency tariffs connected to concerns about drug trafficking. The reciprocal program applied a baseline duty to imports from a wide range of countries, with higher rates assigned to numerous trading partners.
Other tariffs based on different statutes presented separate legal questions. For example, tariffs imposed under Section 232 of the Trade Expansion Act, which concerns national security, and tariffs imposed under Section 301 of the Trade Act of 1974 were not invalidated simply because of the IEEPA litigation.
This distinction meant that even a final defeat for the administration on IEEPA would not eliminate the federal government's other statutory tools for imposing or adjusting tariffs.
Congress, the President and Tariff Authority
The case raised a broader separation-of-powers question because the Constitution assigns Congress the power to impose duties and regulate foreign commerce, while Congress has also enacted statutes delegating specific trade authorities to the executive branch.
The central legal issue was not whether presidents can ever impose tariffs under delegated authority. They can under several statutes. The question was whether Congress had provided that particular authority through IEEPA.
Supporters of the administration's position argued that presidents need broad flexibility to respond rapidly to international economic and security emergencies. Challengers argued that accepting the government's interpretation would give the executive branch an unusually expansive tariff power without the limits Congress included in more specific trade laws.
The Federal Circuit concluded that the challenged measures went beyond the authority IEEPA supplied.
Economic Stakes for Importers and the Federal Government
By the time the litigation reached the appellate stage, businesses had already paid substantial amounts in IEEPA-based duties. That created a second major question beyond the legality of the tariffs themselves: what would happen to money already collected if the government ultimately lost?
At the time of the appeals court ruling, that issue was unresolved. Importers faced uncertainty over whether refunds might eventually be available, how any refund process would operate and what procedural steps might be required.
Reporting by CNBC highlighted the large financial stakes and the potential consequences for both companies and federal tariff revenue.
International Trade Negotiations Continued Despite the Litigation
The legal challenge also created uncertainty for U.S. trading partners because the tariffs had become an important part of the administration's negotiating strategy. Governments and businesses had to consider the possibility that tariff rates used in ongoing negotiations could later be invalidated by the courts.
At the same time, the litigation did not automatically undo trade agreements or negotiations already underway. The legal status of a tariff and the status of a broader trade arrangement could depend on different statutes, commitments and subsequent government actions.
The issue was particularly relevant to major negotiations involving the European Union and China, including the existing US-EU trade deal and the extended trade truce with China.
Later Development: The Supreme Court Ultimately Affirmed the Core Ruling
The August 2025 decision did, in fact, lead to the Supreme Court showdown anticipated at the time. The administration filed its petition in Trump v. V.O.S. Selections, Inc., Supreme Court case No. 25-250, and the justices heard arguments on November 5, 2025 alongside a related challenge, Learning Resources, Inc. v. Trump.
On February 20, 2026, the Supreme Court held that IEEPA does not authorize the president to impose tariffs. The Court affirmed the Federal Circuit's judgment in the V.O.S. Selections case. According to the Court's official docket, the judgment was issued in March 2026.
The decision resolved the central statutory question that had remained open when the Federal Circuit ruled in August 2025: IEEPA itself could not serve as authority for the challenged tariff programs.
What Happened to the Money Already Collected?
After the Supreme Court ruling, attention shifted to refunds. More than $175 billion in IEEPA-related tariff revenue was estimated to be potentially subject to repayment, although the precise amount depended on customs entries and the mechanics of the refund process.
The Court of International Trade subsequently directed U.S. Customs and Border Protection to administer refunds of the invalidated IEEPA duties. The process involved customs-entry records and administrative procedures rather than an instantaneous repayment to every importer.
The refund issue illustrated why the August 2025 litigation had financial implications far beyond the immediate dispute over presidential authority.
What the Supreme Court Decision Did Not Eliminate
The Supreme Court's 2026 ruling was specific to IEEPA. It did not eliminate presidential tariff authority granted by other statutes.
Section 232 of the Trade Expansion Act, Section 301 of the Trade Act of 1974 and other provisions remained available when their statutory requirements were satisfied. Following the Supreme Court decision, the administration also pursued tariff measures under alternative legal authorities.
For businesses and trading partners, that meant the end of the IEEPA tariff dispute did not end U.S. tariff policy or litigation over trade powers. Instead, it clarified one important boundary: the emergency-powers statute Congress enacted in 1977 does not itself authorize the president to impose tariffs.
Why the Case Matters
The litigation became significant not only because of the size of the tariffs but because it clarified the relationship between emergency economic powers and Congress's trade laws.
The Federal Circuit's August 2025 ruling established the appellate-stage conclusion that the challenged IEEPA tariffs exceeded presidential authority. The Supreme Court's February 2026 decision later resolved the issue nationally by holding that IEEPA does not authorize presidential tariffs.
The result leaves future administrations free to use tariff powers that Congress has granted through other laws, while requiring them to rely on statutes that actually provide such authority and comply with the limits Congress attached to those laws.
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