The Supreme Court is set to make a pivotal ruling regarding the legality of former President Donald Trump‘s tariffs, which have faced scrutiny from lower courts. This case marks the first time the highest court in the United States will deliver a definitive decision on a policy initiated by Trump, who appointed three of the current justices. The stakes are both politically and financially significant, as tariffs have become a cornerstone of Trump’s economic strategy.

Three lower courts have ruled that Trump’s use of emergency powers to impose tariffs on imports was illegal. The International Emergency Economic Powers Act of 1977 grants the president authority to act without congressional approval in the event of a national emergency. Trump invoked this law to impose tariffs on countries including Canada, Mexico, and China, claiming that issues such as illegal immigration and trade deficits constituted emergencies.

As of September 2023, the government reported collecting $195 billion in revenue from these tariffs, which are expected to generate an estimated $3 trillion over the next decade. Critics argue that such tariffs are a tax on consumers, as the costs are passed down from companies that import goods.

Legal Challenges and Court Dynamics

The tariffs have faced opposition from various businesses and states, leading to legal challenges in federal courts. So far, a specialized trade court and a district judge in Washington have ruled against Trump, stating he could not legally justify the tariffs under the emergency powers law. Although these courts ruled to keep the tariffs in place, they emphasized the need for clear congressional authorization on matters of significant economic impact—an application of the “major questions” doctrine established by the Supreme Court.

This legal doctrine has previously been used to overturn several initiatives linked to the Biden administration, including a pause on evictions and a vaccine mandate for large businesses. The significance of the tariff case is amplified by its potential financial implications, surpassing the stakes of previous rulings.

Challengers are closely monitoring the responses of the justices, particularly Amy Coney Barrett, Neil Gorsuch, and Brett Kavanaugh, who have previously expressed skepticism about broad executive power. For instance, Barrett has illustrated her perspective using the analogy of a babysitter authorized to take children for a modest outing, rather than on an extensive trip, suggesting that congressional clarity is necessary for significant executive expenditures.

Kavanaugh, on the other hand, has indicated that the same strict standards may not apply to issues of foreign policy and national security. A dissenting judge from an appellate court noted that the law was intentionally designed to give presidents more leeway in emergencies.

The legal landscape is further complicated by arguments asserting that Congress cannot constitutionally delegate its taxing power to the President. This nondelegation principle, which has not been invoked in decades, has garnered attention following a dissent authored by Gorsuch that questioned the constitutionality of certain executive actions.

Anticipated Outcomes and Implications

The Supreme Court’s decision is expected to arrive more swiftly than usual, with arguments scheduled just months after the court agreed to hear the case in September. While high-profile cases often take several months to resolve, the urgency surrounding tariffs may prompt a quicker ruling.

The implications of this case extend beyond legal boundaries, as it touches on profound economic and political issues. Trump has previously stated that a ruling against him would be a “disaster,” reflecting the high stakes involved for his agenda.

As the Supreme Court prepares to issue its ruling, the outcome will not only shape future tariff policies but also set a precedent for executive power in economic matters. The decision could influence how future administrations approach tariffs and emergency powers, thereby affecting both domestic and international trade relationships.