Supreme Court limits Trump's emergency tariff power
Mar 10th 2026
The Supreme Court ruling struck down the president's emergency-tariff authority, forcing the administration to adopt a temporary global rate and explore other legal tools, while trading partners reassess agreements and upcoming negotiations.
- The US Supreme Court ruled emergency tariffs illegal on February 20, removing the fastest mechanism the White House used to impose sudden import duties.
- The administration responded by imposing a temporary global tariff, first 10 percent then 15 percent, which expires after 150 days unless Congress approves an extension.
- Sectoral tariffs on steel, aluminum and cars remain in place and the administration is exploring other legal routes such as Section 301 to levy duties.
- Trade deals that referenced emergency tariff levels may need to be redrafted, and countries including India have delayed meetings to finalise agreements.
- The ruling complicates relations with the EU and China ahead of talks, but analysts expect major partners to seek stability rather than immediate retaliation.