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- Trump says he will impose a 15% 'worldwide' tariff.
- He earlier said he would impose a 10% tariff.
- The Supreme Court struck down many of his tariffs on Friday.
President Donald Trump is not giving up on his tariff strategy.
The president said Saturday in a post on Truth Social that he would now impose a 15% 'worldwide tariff.'
"I, as President of the United States of America, will be, effective immediately, raising the 10% Worldwide Tariff on Countries, many of which have been 'ripping' the U.S. off for decades, without retribution (until I came along!), to the fully allowed, and legally tested, 15% level," he wrote.
In a 6-3 decision on Friday, the Supreme Court said Trump did not have the authority to impose his tariffs under the International Emergency Economic Powers Act, a national security law that allows the president to regulate economic activity during emergencies.
In a press conference following the decision, Trump said he would use a separate authority to impose a 10% global tariff on top of any existing tariffs.
The separate authority is known as Section 122, which can only be imposed for 150 days. After that, Congress must vote to extend.
A White House official later said that countries being tariffed under the authority the Supreme Court struck down will now be subject to that 10% tariff.
"With IEEPA no longer applicable, those countries will now be tariffed at the global 10% tariff using the Section 122 legal authority," the official said in a statement to Business Insider. "This is, however, only temporary as the Administration will be pursuing other legal authorities to implement more appropriate or pre-negotiated tariff rates."
The president's Truth Social post on Saturday, while short on details, indicated he would raise that tariff to 15%.
The IEEPA-justified tariffs have been among Trump's most powerful weapons in his efforts to renegotiate trade agreements worldwide. They included Trump's so-called "Liberation Day" tariffs, announced in April, which are at least 10% on nearly every country in the world.
"During the next short number of months, the Trump Administration will determine and issue the new and legally permissible Tariffs, which will continue our extraordinarily successful process of Making America Great Again," the president wrote in his Truth Social post on Saturday.
