Key Facts
• On September 3, 2025, the Trump administration appealed a federal court ruling on tariffs.
• The federal appeals court deemed the administration’s “reciprocal tariffs” illegal on August 29, 2025.
• The appeal was electronically submitted on September 3 and is expected to be accepted on September 4.
• The ruling challenges tariffs imposed under the International Emergency Economic Powers Act (IEEPA).
• Tariffs on Canada, Mexico, and China for synthetic drug control were also ruled illegal.
• The appeals court decision is set to take effect on October 14, 2025.
• President Trump warned that losing in the Supreme Court could nullify trade agreements with Japan, the EU, and South Korea.
• Trump emphasized tariffs’ importance, claiming they prevent the U.S. from being “exploited” by other nations.
• The administration criticized the ruling for undermining ongoing and finalized trade negotiations.
• Until the Supreme Court rules, the tariffs remain in effect.
Summary
The Trump administration has appealed to the Supreme Court after a federal appeals court ruled its “reciprocal tariffs” illegal under the International Emergency Economic Powers Act (IEEPA). The appeal, submitted on September 3, 2025, challenges the August 29 ruling, which also deemed tariffs on Canada, Mexico, and China illegal. President Trump warned that a Supreme Court loss could jeopardize trade agreements with Japan, the EU, and South Korea. The administration criticized the ruling for creating uncertainty in trade negotiations. The appeals court decision is set to take effect on October 14, but tariffs remain valid until the Supreme Court issues a final judgment.
