By David Lawder, Andrea Shalal and Ann Saphir
WASHINGTON (Reuters) -The U.S. Supreme Court’s tough questioning of President Donald Trump’s global tariffs fueled increased speculation that they will be struck down, but raised the specter of additional chaos as he is widely expected to shift to other trade tactics in the wake of an adverse ruling.
On Wednesday during oral arguments, Supreme Court justices cast doubt on Trump’s authority to impose tariffs under the 1977 International Emergency Economic Powers Act (IEEPA), which contains no references to tariffs – only language on regulating imports during national emergencies declared by the U.S. president.
“Based on the questions posed by the justices, the IEEPA tariffs appear to be in jeopardy,” said Damon Pike, a principal with BDO USA’s customs and trade services practice.
He added that all the court’s justices, except Samuel Alito and Clarence Thomas, “seemed skeptical that IEEPA gives President Trump the power to levy unlimited tariffs on every product imported from every country around the world.”
But Pike said if the Trump administration loses, it will simply invoke other trade laws, a view widely shared by trade lawyers, senior Trump administration officials, importing companies and analysts.
These groups had just started to get used to the idea of a somewhat more stable trade environment, bolstered by a new year-long U.S.-China trade truce and more U.S. deals with southeast Asian countries that reduced the IEEPA tariff rates to more manageable levels.
Companies have clamored for certainty and predictability on tariffs so that they can plan their investments, but Conference Board policy executive David Young said he did not see relief in sight.
“We’ve still got no clarity – CEOs remain kind of precariously positioned around what the future looks like,” said Young, who briefed about 40 CEOs following the Supreme Court arguments. “Even if it goes against IEEPA, the uncertainty still continues.”
A ruling is unlikely before early 2026, Young said, and companies are totally in the dark about potential refunds of the more than $100 billion in IEEPA tariffs paid so far if Trump loses.
POTENTIAL REFUNDS “A MESS”
The issue of refunds was raised by Justice Amy Coney Barrett, who said that it “could be a mess” for the courts to administer refunds to U.S. importers who have paid tariffs that were declared illegal.
Neal Katyal, the lawyer representing five small businesses challenging the tariffs, said that these firms would get their refunds automatically if the court ruled against the Trump administration, but all other companies would have to lodge administrative protests to get money back. “It’s a very complicated thing” that could take a long time, he added.
But Katyal said the court “could limit its decision to prospective relief” by only stopping future collections.
Joseph Spraragen, a customs lawyer in New York, said a ruling that includes no provisions for refunds would result in major new court challenges from companies that paid duties.
“If they’re illegal today, they were illegal in February 2025 and in April, when the reciprocal tariffs kicked in,” said Spraragen, a partner at the firm of Grunfeld Desiderio Lebowitz Silverman & Klestadt.
He said the Supreme Court would likely remand the case to a lower court, most probably the U.S. Court of International Trade, to issue instructions to the Trump administration to rescind the tariffs and issue refunds. The most expedient method would be to issue refunds through the Customs and Border Protection’s Automated Customs Environment processing system, he said, but that could take up to a year.
“Keep in mind that the administration is not going to be eager to just roll over and give refunds,” Spraragen said.
SHIFTS IN LAWS
Natixis analyst Christopher Hodge said the “bureaucratic complexity” surrounding refunds was among a murky set of outcomes if the administration loses at the Supreme Court. Such a loss would only be a “temporary setback to the Trump trade agenda,” he said, as the administration would shift to trade laws that offer clear tariff authority, including Section 232 of the Trade Expansion Act of 1962, a national security trade statute, and Section 122 of the Trade Act of 1974, which allows temporary 15% duties for 150 days.
“On the downside, this implementation process could be lengthy and prolong the uncertainty of trade policy,” Hodge wrote earlier this week. “It is possible that another round of trade talks would be on the docket for 2026 as well, adding to the cloudy outlook on trade.”
On Wednesday, Federal Reserve Governor Stephen Miran said there were potential monetary policy implications from a court decision against Trump that would “increase uncertainty … over the tariff environment.”
Miran, who has argued for steep rate cuts, told Yahoo Finance in an interview that more trade uncertainty could become “a drag on the economy.” But this could be offset by “moderately looser interest rates” depending on the status of the Fed’s dual mandate for price stability and maximum employment, said Miran, who is on leave from his job as a Trump administration economist.
(Reporting by David Lawder, Andrea Shalal, Ann Saphir, Michael S. Derby and David Gaffen; Editing by Thomas Derpinghaus)
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