The US Supreme Court is about to deliberate on a major legal challenge to President Donald Trump's tariffs, facing off against small businesses and a collection of states who deem the tariffs unlawful. This battle could significantly alter Trump's trade strategy, beginning with the tariffs announced in April, and could result in the government refunding billions collected from these import taxes.

The justices will take months to review arguments before rendering a decision, with Trump warning that a defeat would hinder his ability to negotiate trade deals and impact national security. He has opted not to attend the landmark hearing, citing the need to maintain focus on the case.

Business owners have expressed deep anxiety over the repercussions of these tariffs. For instance, Learning Resources, a toy company involved in the lawsuit, estimates a loss of $14 million this year due to the tariffs—an expense notably higher than previous years. The economic strain is echoed by other businesses, with Cooperative Coffees' co-founder Bill Harris lamenting the disruption and draining impact on company resources.

The implications of this case reach far beyond immediate financial concerns, raising fundamental questions about presidential authority. Legal analysts suggest a ruling in favor of Trump could set a precedent for future administrations to leverage broad powers under the International Emergency Economic Powers Act, which has been central to the tariffs imposed.

With more than 200 lawmakers opposing the tariffs, the conflict encapsulates a broader contention over trade regulation responsibilities, typically vested in Congress rather than the presidency.

As the Supreme Court prepares to get underway, pivotal decisions loom not only for President Trump but also for numerous businesses that continue to navigate the turbulent landscape his tariffs have created.