Supreme Court Ruling on Trump Tariffs Sparks Refund Debate and Latest Levies

The Supreme Court’s February 20, 2026, decision striking down former President Donald Trump’s sweeping tariffs has opened a complex legal battle over an estimated $175 billion in duties paid by U.S. Importers. While the ruling represents a significant defeat for Trump’s economic agenda, it has also prompted the imposition of a new 10% global tariff under a different legal authority.

Supreme Court Invalidates Trump’s Tariffs

In a 6-3 decision, the Supreme Court ruled that Trump exceeded his authority when imposing broad tariffs using the International Emergency Economic Powers Act (IEEPA), a 1977 law intended for national emergencies created by foreign threats Council on Foreign Relations. The Court determined that IEEPA does not grant the president the power to impose tariffs, a power reserved for Congress NBC News.

The ruling specifically addressed tariffs imposed on imports from Canada, China, and Mexico, as well as a broader “reciprocal” tariff applied to all imports Supreme Court PDF.

The Fight Over Refunds

Following the Supreme Court’s decision, the U.S. Court of International Trade (CIT) is now grappling with the issue of processing refunds for the tariffs already collected. The CIT had previously ruled the tariffs illegal in May 2025, but did not address refunds AP News.

Plaintiffs – including U.S. Businesses and state coalitions – have petitioned the U.S. Court of Appeals for the Federal Circuit to send the case back to the CIT to determine how to handle the potential refunds. As of February 26, 2026, government lawyers have until Friday to respond whether they will support or oppose sending the refunds issue to the trade court AP News.

Economists at the University of Pennsylvania’s Wharton School estimate the total refund bill could reach $175 billion, while the U.S. Had collected $165 billion in emergency tariffs as of January 2026 AP News. More than 900 importers, including Valero and Marathon Petroleum, have already petitioned U.S. Courts for refunds.

Trump’s Response: A New 10% Global Tariff

Despite the Supreme Court’s ruling, President Trump has vowed to continue protecting American industries through tariffs. Following the decision, he announced a new temporary global tariff of 10% under Section 122 of the Trade Act of 1974 AP News. This new tariff is set to begin on Tuesday, March 3, 2026, at 12:01 a.m. ET NBC News.

Trump has also indicated he is exploring other avenues for imposing tariffs.

Implications for Businesses and Consumers

U.S. Retailers, automakers, and other merchants had previously absorbed some tariff costs while also raising prices. It is unlikely that merchants receiving refunds will directly pass those savings on to consumers who already paid inflated prices AP News.

Importers have two options for seeking refunds: filing a protest with Customs and Border Protection (CBP) or pursuing legal action through the courts. Filing a protest with CBP can take up to two years for a ruling NBC News.