Trump Vows Higher Tariffs on Nations ‘Playing Games’ After Court Ruling

In a defiant response, Trump warned international trade partners on Monday, February 23, that any country attempting to use the court's ruling as an excuse to renege on trade deals would face even steeper penalties. Writing on his social media platform, Truth Social, Trump issued a blunt ultimatum: "Any country that wants to 'play games' with the ridiculous Supreme Court decision... will be met with a much higher tariff, and worse. BUYER BEWARE!!!"

The Supreme Court ruled 6-3 that the International Emergency Economic Powers Act (IEEPA) of 1977 does not grant the president unilateral authority to impose tariffs, affirming that such taxation powers reside solely with Congress. The decision invalidated Trump’s flagship "Liberation Day" tariffs and has forced U.S. Customs and Border Protection to stop collecting these duties as of midnight, February 24, 2026. However, the White House immediately pivoted to alternative legal tools to maintain its protectionist agenda.

Despite the judicial setback, the Trump administration is doubling down with new executive actions:

• The 150-Day Surcharge: Trump has invoked Section 122 of the Trade Act of 1974, which allows him to impose a temporary "import surcharge" of up to 15% for 150 days without congressional approval to address balance-of-payment deficits. This new 15% flat tariff went into effect on Tuesday, February 24.

• New Trade Investigations: U.S. Trade Representative Jamieson Greer announced the launch of multiple Section 301 investigations targeting major trading partners. These probes focus on "unfair" practices, including industrial overcapacity, digital services taxes, and pharmaceutical pricing, providing a legal pathway for long-term tariffs.

• EU and India Responses: In direct response to the legal chaos, the European Parliament suspended its vote on the "Turnberry" trade deal on Monday, citing a lack of legal certainty. Similarly, India postponed a high-level trade delegation's visit to Washington, originally scheduled for this week, as New Delhi evaluates whether the court ruling provides "elbow room" to negotiate better terms.

Economists warn that this "tariff turbulence" is creating deep uncertainty in global markets. While the Supreme Court ruling theoretically opened the door for over $150 billion in potential refunds for importers, Trump’s rapid deployment of Section 122 ensures that the effective cost of entering the U.S. market remains historically high. With the 2026 midterm elections approaching, the administration appears determined to prove that its "America First" trade policy can survive even the highest judicial scrutiny.