WASHINGTON.— The President of the United States, Donald Trump, announced that he will raise the new global tariff on imports to 15%, just one day after having set the rate at 10% following the adverse ruling of the United States Supreme Court against his tax policy.
The president reported the decision in a publication on his Truth Social platform, where he indicated that the increase will be “immediate” and that it responds to an “exhaustive review” of the judicial ruling that invalidated a good part of his tariff scheme.
From 10% to 15% in 24 hours
On Friday night, after the Supreme Court ruled that the president did not have emergency powers to impose broad global tariffs, Trump signed an executive order to establish a general 10% tax on imports from all countries.
However, this Saturday he announced that this rate will rise to 15%, the maximum allowed under the law invoked in the new executive order. Said legislation only authorizes increases of up to 15% and for a limited period of 150 days, unless Congress approves an extension.
So far, the White House has not detailed how the new percentage will be implemented or when the updated order formalizing the increase will be issued.
The scope of the court ruling
The Supreme Court ruling, issued on Friday, invalidated the use of the International Emergency Economic Powers Act (IEEPA) to impose broad tariffs without intervention from Congress. The Court held that the power to tax imports corresponds to the Legislative Branch.
The resolution affects both the global base rate and the so-called “reciprocal” tariffs that the administration had applied to various trading partners. It also impacts specific decisions such as additional taxes of 25% on Mexico and Canada, as well as increases of up to 50% on Brazil and India in certain commercial and diplomatic contexts.
Before signing the new order, Trump publicly criticized the court’s decision during an impromptu briefing at the White House, calling the ruling detrimental to American interests.
Economic impact and international reaction
The new announcement confirms that, despite the judicial setback, the president maintains his strategy of using tariffs as a central tool of economic policy and international pressure.
Over the past year, frequent rate changes — increases, reductions and threats of new levies — have generated volatility in financial markets and concern among U.S. trading partners.
Economists warn that a 15% global tariff could translate into higher costs for importers and eventually consumers, depending on how companies pass the impact on to final prices.
At the same time, the temporary limitation of 150 days opens a scenario of legal and political uncertainty, since any extension would require the intervention of Congress, in a context of polarization.
Open stage
In addition to the temporary tariff, Trump indicated that he is exploring other provisions of federal law that would allow levies to be imposed through investigations by the Commerce Department, which could expand the scope of his trade policy.
With the new announcement, the dispute between the White House and the Supreme Court enters an additional phase of institutional tension, as companies, markets and foreign governments evaluate the implications of an immediate increase in taxes on imports to the world’s largest economy.

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