6–3: TARIFFS STRUCK DOWN

Supreme Court rules IEEPA does not grant the president power to impose tariffs — immediately reshaping US trade policy

▸ This ruling impacts US import prices — electronics could drop 10-25%.

Learning Resources, Inc. v. Trump, 607 U.S. ___ (2026)
Published: March 18, 2026
February 20, 2026
6–3 Vote
Bipartisan Majority
$200B Refund Question
United States Supreme Court building — site of the landmark IEEPA ruling in 2026

Photo: SCOTUSblogU.S. Supreme Court building, Washington D.C.

Learning Resources, Inc.
v. Trump

On February 20, 2026, the U.S. Supreme Court issued its landmark decision in Learning Resources, Inc. v. Trump (607 U.S. ___ 2026), ruling 6–3 that the International Emergency Economic Powers Act (IEEPA) does not grant the president the power to impose tariffs.

Chief Justice John Roberts wrote the majority opinion in a remarkable bipartisan coalition, joined by Justices Sotomayor, Kagan, Gorsuch, Kavanaugh, and Barrett. The majority opinion argued plainly: IEEPA grants power to 'regulate' economic transactions during a national emergency, but 'regulate' means to control or govern — not to tax or raise revenue.

The ruling also emphasized executive history: in nearly 50 years since IEEPA's enactment, no president had read the statute to confer tariff authority. This absence of precedent, the Court noted, strongly indicated Congress's intent when enacting IEEPA. See also the broader analysis of Trump's tariff trade war.

"IEEPA contains no reference to tariffs or duties. Until now no President has read IEEPA to confer such power."
— Chief Justice John Roberts, majority opinion
6
MAJORITY
3
DISSENT

Roberts (CJ) (Conservative)MAJORITY
Gorsuch (Conservative)MAJORITY
Kavanaugh (Conservative)MAJORITY
Barrett (Conservative)MAJORITY
Sotomayor (Liberal)MAJORITY
Kagan (Liberal)MAJORITY
Thomas (Conservative)DISSENT
Alito (Conservative)DISSENT
Jackson (Liberal)DISSENT

The Scope of IEEPA Tariffs

From April 2025, Trump's IEEPA tariffs covered nearly all US imports — affecting every consumer, manufacturer, and trading partner.

$600B+
Annual imports tariffed

IEEPA tariffs applied to trillions in imports from 90+ countries.

145%
Peak tariff rate (China goods)

Chinese goods faced cumulative tariffs reaching 145% under multiple legal bases.

‍‍‍
$1,200
Annual cost per US household

NBER research estimated tariff burden on American families.

10–20%
Baseline rate for most partners

Most countries faced 10% tariffs, with higher rates for perceived 'trade violators.'

90+
Countries affected

The IEEPA emergency applied near-universally, superseding standard MFN tariff rates.

0
Prior presidents using IEEPA for tariffs

In nearly 50 years of IEEPA's existence, no prior president read it to authorize tariffs.

The $200 Billion
Refund Uncertainty

Since April 2025, American importers paid over $200 billion in IEEPA tariffs — a massive source of federal revenue now in legal dispute. The Supreme Court struck down the tariffs, but whether importers will receive refunds remains unresolved.

The Court remanded refund questions to the U.S. Court of International Trade (CIT). The government argues the ruling is not retroactive — meaning no refunds. Importers, represented by major law firms, counter that unlawfully collected taxes must be returned.

The retail industry estimates over 45,000 companies may be eligible to file refund claims. If fully granted, this would be the largest federal tax refund event in US history — surpassing income tax refunds after major legislative changes.

IEEPA Tariffs
STRUCK DOWN

All tariffs imposed under IEEPA authority struck down effective February 20, 2026.

Retroactive Refunds
UNRESOLVED

Ongoing litigation at CIT. Government contests liability; importers argue otherwise. Expected to take years.

Section 232 & 301 Tariffs
STILL IN EFFECT

Steel/aluminum (§232) and China tariffs (§301) unaffected by the IEEPA ruling.

Section 122 — 10% Tariff
NEW

Trump immediately invoked §122 for a 10% global tariff lasting 150 days, with plans to raise to 15%.

Section 122: The Immediate Response

Within hours of the ruling, President Trump signed an executive order invoking Section 122 of the Trade Act of 1974. Unlike IEEPA, Section 122 was explicitly designed to address balance-of-payments emergencies and — critically — explicitly mentions tariffs.

However, Section 122 has crucial constraints IEEPA lacked: a maximum 15% tariff rate, a maximum 150-day duration (extendable only with Congressional approval), and requires genuine evidence of a balance-of-payments emergency.

Trump signaled intent to raise the rate from 10% to 15% (the maximum under §122) before the 150-day window closes. Legal analysts note that Section 122 may also face court challenges if the government cannot demonstrate a genuine balance-of-payments emergency. See also the analysis of China's trade surplus in 2026.

IEEPA vs. Section 122
FactorIEEPA§ 122
Max rateUnlimited15%
DurationUnlimited150 days
Congress roleReport onlyApprove to extend
Tariff referenceNoneExplicit
Constitutional (post-ruling)NOUntested

Economic Impact by Sector

Technology
IEEPA RATE: 25–50%Positive

Semiconductors, smartphones, laptops — immediate price relief expected as tariffs on chips (up to 50%) fall away.

Automotive
IEEPA RATE: 10–25%Mixed

Auto parts from Mexico/Canada faced stiff tariffs. Ruling disrupts supply chains but reduces costs for US assemblers.

Agriculture
IEEPA RATE: 0–145%Positive

Retaliatory tariffs on US farm exports (soybeans, pork, corn) from China/EU may ease as diplomatic tensions shift.

Retail & Consumer
IEEPA RATE: 10–20%Positive

Household goods, clothing, toys — American consumers paid an estimated $1,200 per household annually in tariff costs.

Civil Aviation
IEEPA RATE: 10–15%Positive

Aircraft parts and MRO (maintenance, repair, overhaul) imports were tariffed. Airlines faced significant cost increases.

Steel & Aluminum
IEEPA RATE: 25%Neutral

Separate Section 232 tariffs remain intact — only IEEPA tariffs were struck down. Steel/aluminum duties continue.

Inflation Implications

Economists estimate the removal of IEEPA tariffs could reduce CPI by approximately 0.8–1.2 percentage points over the long run. However, the replacement Section 122 tariffs at 10–15% still carry significant inflationary pressure. The Federal Reserve is closely watching price signals.

How the World Responded

World capitals responded immediately — and most notably, India and the EU finalized their landmark free trade agreement effective March 2026.

🇪🇺
European Union

Welcomed the ruling. EC President called it 'a reaffirmation that international trade law must be respected.' Accelerated India-EU FTA talks.

🇨🇳
China

Cautious optimism. Beijing noted IEEPA tariffs (up to 145%) are gone but signaled concern over Section 122 replacement and remaining Section 301 duties.

🇨🇦
Canada & Mexico

Relief for USMCA partners. Trudeau called for 'a new chapter in North American trade.' Mexico's peso strengthened 3% on ruling day.

🇮🇳
India

Seized the opportunity to finalize EU-India FTA. PM Modi called it a 'landmark for the rules-based global trading order.' FTA signed March 2026.

WTO

DG Ngozi Okonjo-Iweala: 'This ruling restores confidence in the multilateral trading system.' 47 pending WTO dispute panels may be withdrawn.

India–EU FTA: World's Largest Free Trade Zone

Signed in March 2026 amid US tariff uncertainty, the India–EU Free Trade Agreement covers approximately 2 billion people and represents nearly 25% of global GDP. This is the largest free trade zone ever created, surpassing both USMCA and CPTPP in population and economic scale. It marks a historic shift in global supply chains away from dependence on the US market.

From IEEPA 1977 to the 2026 Ruling

IEEPA Enacted
1977

International Emergency Economic Powers Act signed by President Carter. Intended for sanctions and asset freezes, not tariffs.

First IEEPA Tariff Threats
2018–20

Trump's first term saw limited IEEPA use. No president had ever imposed tariffs under IEEPA.

IEEPA Tariffs Declared
Apr 2025

Trump invokes IEEPA to impose sweeping tariffs: 10–145% on China, 10–20% on most countries, citing national emergency.

First Legal Challenges Filed
May 2025

Learning Resources, Inc. and other importers file suit in federal court, arguing IEEPA does not authorize tariffs.

Federal Circuit Court Ruling
Aug 2025

U.S. Court of International Trade rules tariffs unlawful. Government appeals directly to Supreme Court.

Supreme Court Grants Certiorari
Oct 2025

SCOTUS agrees to hear Learning Resources, Inc. v. Trump on an expedited basis given economic urgency.

Oral Arguments
Jan 2026

Justices across ideological lines express deep skepticism about presidential power to unilaterally impose tariffs.

6–3 Decision — Tariffs Struck Down
Feb 20, 2026

Chief Justice Roberts writes for the majority. IEEPA does not confer power to impose tariffs. Historic bipartisan ruling.

The Next Steps in Trade Policy

Congressional Action
  • Members are drafting legislation to explicitly grant the president tariff authority
  • Republicans want to codify IEEPA power; Democrats oppose
  • Any new law must face constitutional delegation challenges
Further Legal Challenges
  • Importers filing refund claims at Court of International Trade
  • Section 122 tariffs may face challenges if balance-of-payments basis is weak
  • Section 301 (China) tariffs face separate legal scrutiny
Trade Negotiations
  • US may need to restart bilateral trade negotiations from scratch
  • India–EU FTA reshapes global negotiating dynamics
  • China, Canada, Mexico exploring new trade terms with US

Your Questions Answered

Sources & Further Reading

  1. Supreme Court strikes down tariffsSCOTUSblog
  2. Learning Resources, Inc. v. TrumpWikipedia
  3. The Supreme Court Ends IEEPA TariffsSkadden
  4. Supreme Court IEEPA Ruling: Implications for Civil AviationHolland & Knight
  5. Brookings experts on the Supreme Court's tariff decisionBrookings Institution

This article is for informational purposes only and does not constitute legal advice. The legal and policy landscape surrounding IEEPA tariffs is rapidly evolving; please consult legal counsel for specific guidance. Published: March 18, 2026.

Photo: ZestLab Archive

AH
By An Hoang · International Affairs Correspondent
Published: March 18, 2026 · Updated: April 3, 2026
geopolitics·SCOTUS IEEPA · tariff ruling · Supreme Court trade · IEEPA tariffs
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