SEOUL, February 28 (AJP) - U.S. President Donald Trump on Friday (local time) questioned whether the Supreme Court could revisit its decision to strike down his administration's tariff authority, a move that comes as South Korean exporters and other global firms prepare to seek billions of dollars in refunds.
Writing on his social media platform Truth Social, Trump expressed frustration with the February 20 ruling, which invalidated reciprocal tariffs he had imposed under the International Emergency Economic Powers Act (IEEPA). He argued the decision would allow countries and companies that have "ripped off" the United States for years to receive an "undeserved windfall" through duty refunds.
"Is a Rehearing or Readjudication of this case possible?" Trump wrote, publicly signaling a desire to challenge the 6-3 decision that found the executive branch had exceeded its legal authority.
The ruling has sparked immediate interest in South Korea, where industries are assessing the potential for reclaiming duties paid since 2025. According to reports from the South Korean news agency Yonhap and major business outlets, an estimated 6,000 South Korean companies out of 24,000 exporters to the United States could be eligible for refunds. Many of these firms operated under "Delivered Duty Paid" (DDP) terms, meaning the South Korean exporters, rather than the U.S. importers, bore the direct cost of the tariffs.
Global media outlets, including Bloomberg and the Wall Street Journal, estimate the total pool of potential refunds to be between 133.5 billion dollars and 175 billion dollars. For South Korean firms, the ruling effectively targets the 15 percent reciprocal tariff previously applied to their goods under the IEEPA.
South Korea's Ministry of Trade, Industry and Energy has begun coordinating with local industries to monitor the situation. While the decision increases market uncertainty, the ministry noted that it would provide information regarding refund procedures as they become available. Major South Korean exporters, including Hyundai Motor, Kia, Samsung Electronics, and LG, are expected to review their past tariff payments to determine their eligibility for recovery.
Legal experts suggest that a rehearing in the Supreme Court is unlikely under current judicial rules. A petition for a rehearing must be filed within 25 days of a judgment and requires the support of a majority of the justices, including at least one who originally voted with the majority to strike down the tariffs.
The Trump administration has already moved to implement replacement measures. These include a 10 percent global tariff under Section 122 of the Trade Act of 1974, which the president has signaled could be raised to 15 percent in the coming months.
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