Significant uncertainty surrounds U.S. tariff policies. According to recent U.S. media reports, the U.S. government is considering imposing new tariffs on six industries, citing national security concerns. These sectors include large-scale batteries, power grid equipment, and telecommunications devices. This development follows the Trump administration's initiation of Section 232 tariff reviews on nine other industries, such as semiconductors, pharmaceuticals, unmanned aerial vehicles, industrial robots, and polysilicon for solar panels. After the U.S. Supreme Court overturned broad global tariff measures, the administration may accelerate investigations into specific sectors.
On February 23, U.S. President Donald Trump threatened to impose higher tariffs on countries that attempt to exploit loopholes in recently negotiated trade agreements. In a social media post, Trump warned nations against using the Supreme Court's ruling to renege on trade commitments made in response to last year's tariff actions. He stated that any country seeking to take advantage of what he called an "absurd" court decision, particularly those that have allegedly taken advantage of the U.S. for years or decades, would face even higher and more severe tariffs than those recently agreed upon.
The BBC reported that the Supreme Court's decision invalidated a significant portion of the tariffs implemented by the Trump administration last year. Following the ruling, numerous countries announced they were assessing which tariff measures and trade agreements remain enforceable. The European Union stated it would suspend ratification of an agreement reached this summer, while India indicated it would delay negotiations intended to finalize a recent pact.
After taking office in 2025, the Trump administration invoked the International Emergency Economic Powers Act (IEEPA) to implement a series of tariffs via executive order, bypassing Congressional approval. This prompted multiple legal challenges within the United States. On January 20, Supreme Court justices ruled 6-3 to uphold a lower court's decision that Trump overstepped his statutory authority by using the IEEPA for tariff policy. The ruling came in a lawsuit brought by businesses and twelve U.S. states, which argued that the unilateral imposition of import taxes under this law was unprecedented.
Several European nations and Canada responded to the Supreme Court's decision on the same day. Canadian Minister of Foreign Affairs Dominic LeBlanc stated the ruling "bolsters Canada's position" that the tariffs were "unjustified." French Economy Minister Roland Lescure remarked that the decision shows tariffs are "a topic that requires discussion regardless." A European Commission spokesperson, Olof Gill, said the EU "took note of the decision and will analyze it carefully."
U.S. Customs and Border Protection, an agency under the Department of Homeland Security, confirmed it would stop collecting IEEPA-based import tariffs starting February 24. The agency cited a new executive order signed by President Trump on February 20. The suspension affects ad valorem tariffs imposed under executive orders and related modifications issued between February 1 and August 6, 2025.
According to The Wall Street Journal, following the Supreme Court's rejection of several tariffs from Trump's second term, the administration is considering new levies on six industries. Sources familiar with the matter revealed the proposed tariffs could target large-scale batteries, cast iron and iron fittings, plastic piping, industrial chemicals, as well as grid and telecommunications equipment. These new tariffs would be implemented separately from the recently announced global 15% tariff measure. They would be levied under Section 232 of the Trade Expansion Act of 1962, which grants the U.S. president broad authority to impose tariffs based on national security risks. Products currently under Section 232 tariffs in Trump's second term have been exempt from other tariffs until now. During this term, Trump has already used Section 232 to impose tariffs on steel, aluminum, copper, automobiles, trucks, and auto parts—tariffs unaffected by last week's Supreme Court ruling.
It remains unclear when the tariff investigations, led by the U.S. Department of Commerce, will be concluded or when the tariffs will take effect. Section 232 requires a lengthy investigation before implementation, but once enacted, the president can modify them unilaterally. White House Spokesperson Kush Desai stated in a declaration, "Protecting U.S. national and economic security remains President Trump's top priority, and the administration remains committed to using all legal authorities to achieve this goal."
These plans emerge after the Supreme Court's 6-3 ruling last Friday nullified most tariffs imposed under the IEEPA during Trump's second term, finding that he exceeded his authority by levying so-called "reciprocal tariffs" on nearly all U.S. trading partners. These tariffs accounted for over half of the tariff revenue collected thus far in his second term. Last week, Trump attempted to offset this revenue loss with a global 15% tariff. However, the Supreme Court case did not review any of Trump's Section 232 tariffs, which have not yet faced significant legal challenges. In his second term, Trump substantially expanded the scope of such tariffs beyond raw materials like steel, aluminum, and copper to include consumer goods made from these materials. Furthermore, aside from limited relief for U.S. automakers, he has largely refused to grant tariff exemptions.
Reports indicate that, in addition to the investigations into the six industries mentioned, the Trump team is considering imposing tariffs on nine other sectors—including semiconductors, pharmaceuticals, drones, industrial robots, and polysilicon for solar panels—based on existing Section 232 investigations. Many of these investigations were launched nearly a year ago, and the administration might expedite some of them following the Supreme Court's ruling.
Insiders also revealed that the Trump administration is advancing plans to modify existing national security tariffs on steel and aluminum. These changes could lower the nominal tariff rates for many products but would apply the tariff to the product's full value, not just the value of the contained steel or aluminum. This could result in many companies ultimately paying higher tariffs. When asked about the impending changes last week, U.S. Trade Representative Jamieson Greer suggested the administration might "adjust the application of certain tariffs to meet compliance objectives."
Recently, the U.S. Supreme Court published its ruling that the IEEPA does not authorize the president to impose broad-based tariffs. On the day of the ruling, the White House website released an executive order signed by Trump, confirming the termination of tariff measures previously enacted under the IEEPA.
In related news, global logistics company FedEx sued the U.S. government on February 23, seeking a refund of tariffs paid under the IEEPA. FedEx filed the lawsuit with the U.S. Court of International Trade, requesting a full refund of all tariffs collected under the act. Court records show that over 1,000 U.S. companies have joined legal actions demanding the government return paid tariffs. Major corporations involved in the lawsuits include Costco and Reebok.
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