In a landmark judgment, the Supreme Court of the United States has struck down a set of import tariffs imposed during former President Donald Trump’s administration, ordering an immediate halt to their collection. The ruling marks a major reversal of a key pillar of Trump’s “America First” trade policy, which had significantly reshaped global supply chains and trade relationships.

The tariffs were originally introduced to protect American industries, reduce reliance on imports, and counter what the administration described as unfair trade practices by foreign nations. They applied to a wide range of goods and affected billions of dollars in international trade, forcing many companies to relocate manufacturing, adjust sourcing strategies, or absorb higher costs.

However, businesses and trade organisations challenged the tariffs in court, arguing that the administration had exceeded its legal authority. The Supreme Court ultimately agreed, ruling that the legal justification used to impose the tariffs was invalid. As a result, the government must stop collecting the duties from Tuesday.

The ruling is expected to provide financial relief to importers and businesses that had been paying the tariffs and could potentially lower prices for certain goods. It may also ease tensions with major trading partners and trigger discussions about refunds and future US trade policy. The decision highlights the judiciary’s critical role in reviewing executive economic actions and could influence how future administrations approach trade restrictions.