Supreme Court to review Trump tariff authority in November

 September 19, 2025

In a pivotal legal showdown, the U.S. Supreme Court will tackle challenges to President Donald Trump’s extensive tariff powers on Nov. 5, a case that could reshape international trade policies.

Washington Examiner reported that the case centers on whether Trump overstepped his authority by using emergency legislation to impose widespread tariffs on nearly every U.S. trading partner, with the outcome potentially halting his broad trade strategy.

Trump’s administration has leaned heavily on tariffs as a tool to boost domestic revenue and pressure foreign nations into trade negotiations.

High-Stakes Hearing on Tariff Legality

While some countries have managed to negotiate reductions or exemptions from these tariffs, others have retaliated with counter tariffs of their own.

This aggressive approach has sparked concerns among allies, who fear strained diplomatic and economic ties.

The controversy gained momentum when a lower court ruled that Trump exceeded his legal bounds by invoking emergency powers for these trade measures.

Emergency Law Under Scrutiny

Specifically, Trump relied on the International Emergency Economic Powers Act of 1977, which allows the president to regulate international commerce during a declared national emergency.

However, the law does not explicitly mention the authority to impose tariffs, duties, or taxes as part of emergency actions.

A federal appeals court in Washington, D.C., highlighted this ambiguity in its ruling against the administration’s approach.

Judicial Limits on Presidential Power

The appeals court stated, “bestows significant authority on the president to undertake a number of actions in response to a declared national emergency, but none of these actions explicitly include the power to impose tariffs, duties, or the like, or the power to tax.”

This interpretation has fueled the legal battle now headed to the nation’s highest court.

Despite the lower court’s decision, the tariffs remain active as the Trump administration pursues its appeal.

Fast-Tracked Case Raises Urgency

The Supreme Court has prioritized this case, placing it on an expedited schedule to ensure a swift resolution.

Adding to the administration’s confidence, the Supreme Court has granted emergency relief to Trump’s team 18 times in a row on various matters.

The Nov. 5 hearing will be a critical moment, as the justices’ ruling could either affirm or dismantle a cornerstone of Trump’s economic policy, impacting trade relationships worldwide.