The decision invalidated $160 billion in collected tariffs and erased $1.4 trillion in projected revenue. Replacement tariffs took effect four days later.
On February 20, the Supreme Court ruled 6–3 that the International Emergency Economic Powers Act does not authorize the president to impose tariffs, striking down the broadest executive trade action since the Smoot-Hawley era. Chief Justice Roberts, writing for the majority, was direct: “The President asserts the extraordinary power to unilaterally impose tariffs of unlimited amount, duration, and scope. We hold that IEEPA does not authorize the President to impose tariffs.”
Within hours, President Trump signed a proclamation imposing a new 10% global tariff under Section 122 of the Trade Act of 1974, effective February 24. The following day, he announced his intention to raise that rate to 15%, the statutory maximum under Section 122.
For the small and mid-sized businesses that spent the past year absorbing tariff costs that tripled their average monthly customs payments, the ruling delivered legal relief and fresh financial uncertainty on the same day.
What the Ruling Invalidated, and What It Didn’t
The decision struck down two categories of IEEPA tariffs. The first were the Trafficking and Immigration Tariffs imposed in February 2025, which placed a 25% duty on most Canadian and Mexican imports and a 10% duty, later increased, on Chinese imports. The second were the Reciprocal Tariffs imposed on “Liberation Day” in April 2025, which applied rates of 10% or higher to imports from virtually every U.S. trading partner.
The Tax Foundation estimates these tariffs collected more than $160 billion through February 20, 2026, and would have generated $1.4 trillion over the next decade had they remained in force.
The ruling does not affect tariffs imposed under other statutes. Section 232 duties on steel, aluminum, copper, automobiles, auto parts, lumber, and semiconductors remain in place. Section 301 tariffs on Chinese goods are unchanged. The suspension of duty-free de minimis treatment for low-value shipments also continues. For manufacturers, contractors, and retailers sourcing materials internationally, a significant portion of the tariff cost structure remains intact.Treasury Secretary Scott Bessent stated that combining Section 122, Section 232, and Section 301 tariffs “will result in virtually unchanged tariff revenue in 2026”, a signal that the administration intends to maintain comparable tariff levels through alternative legal authorities, according to analysis by Ropes & Gray.
The $175 Billion Refund Question
The Penn Wharton Budget Model projects that reversing IEEPA tariffs could generate up to $175 billion in refunds. The Yale Budget Lab’s estimate of cumulative IEEPA collections through January 2026 exceeds $164 billion.
The numbers are large. The path to recovering them is not clear.
The Supreme Court did not order refunds and did not specify a mechanism for reimbursement. The executive order terminating IEEPA tariffs stated they “shall no longer be in effect and, as soon as practicable, shall no longer be collected”, but made no mention of refunds. President Trump indicated during a press conference that potential refunds would be the subject of future litigation, suggesting the administration may contest reimbursement claims.
More than 1,000 businesses had filed for tariff refunds before the ruling was issued. That number is expected to grow significantly. Legal analysts at Holland & Knight and Ropes & Gray have advised importers to take immediate steps: secure official records of import activity from U.S. Customs and Border Protection, file protests on liquidated entries within the applicable deadlines, and consider both administrative and judicial avenues for relief.
The dissent, authored by Justice Thomas, warned that the government “may be required to refund billions of dollars to importers” and described the process as likely to be a “mess.” SCOTUSblog noted that the refund discussion appeared entirely in the dissent, not in the majority opinion, which left the remedial mechanics to future proceedings.
For small businesses that lack dedicated customs compliance teams and in-house trade counsel, the refund process presents a resource challenge as much as a legal one.
What This Means for Small Business Financial Planning
The National Small Business Association reported that monthly tariff payments for affected small businesses tripled between January 2025 and January 2026, with the average monthly customs duty rising from $8,400 to $27,200. For a business importing a container of goods worth $50,000, a 25% IEEPA tariff added $12,500 in upfront cash that had to be paid before the goods were released, working capital that could not be used for payroll, marketing, or operations until the goods were sold, a cycle that typically takes 60 to 120 days.
The replacement Section 122 tariffs at 10–15% are lower than many IEEPA rates. But they stack on top of existing duties rather than replacing them, and they carry a built-in expiration: Section 122 authority limits the tariffs to 150 days, until July 24, 2026, unless Congress votes to extend them.
That 150-day window creates a specific planning horizon. Businesses that rely on annual budgets built before Liberation Day are operating on assumptions that no longer hold. The current environment demands rolling forecasts, scenario modeling for multiple tariff outcomes, extension, expiration, replacement under new authority, and real-time cash flow visibility into how import costs flow through to working capital, pricing, and margins.
What to Watch Next
The Section 122 tariffs expire July 24 without congressional action. The administration has simultaneously launched trade investigations under Section 201 and Section 338 of the Tariff Act of 1930, which could produce additional industry-specific tariffs. Ongoing Section 232 investigations into pharmaceuticals, commercial aircraft, polysilicon, industrial machinery, and robotics remain active.
The Yale Budget Lab estimates that the post-ruling tariff regime will still raise more than $1.2 trillion over the next decade and increase costs for the average U.S. household by approximately $400 annually. The Tax Foundation projects that Section 232 tariffs alone will generate $635 billion over the same period.
The legal victory is real. The planning environment remains volatile. The businesses that build tariff scenario analysis, cash flow forecasting, and working capital modeling into their financial operations will navigate the next 150 days, and whatever follows, from a position of clarity. Those still operating on static annual budgets will not.
Frak Finance provides fractional CFO, accounting, and strategic financial advisory services to SMBs between $1M and $50M in revenue, including cash flow forecasting, scenario planning, and working capital management through tariff volatility. Schedule a complimentary consultation or call (773) 658-9688.
