Washington D.C. – Following a significant Supreme Court decision that struck down some of his previous tariffs, President Donald Trump has announced the implementation of a new 10% global tariff. This move, described as a response to a "deeply disappointing" ruling, signals a continuation of his trade policy, with markets anticipating potential shifts on Monday.

The Supreme Court's ruling, a 6-3 decision, found that Trump had overstepped his authority by using an emergency powers law, the International Emergency Economic Powers Act (IEEPA), to impose broad tariffs on goods from most countries. The court stated that the President lacked the necessary authority under this specific statute. However, the ruling also indicated that Trump could potentially reimpose tariffs through other existing legal avenues.

In response, Trump stated at a press briefing that he has the "right to do pretty much what we want to do" and that existing tariffs under statutes like Section 232 and Section 301 would remain in effect. He also indicated that new investigations into unfair trade practices could lead to further tariffs.
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Background of the Tariffs and Court Ruling
The tariffs that were struck down were a key part of Trump's economic agenda, with reciprocal tariffs and drug-trafficking-related duties also being based on an expansive interpretation of IEEPA. The majority of U.S. tariff revenue in the previous year reportedly came from these IEEPA duties.

The Supreme Court's decision on Friday challenged this expansive interpretation. Chief Justice Roberts cited a "lack of historical precedent" in the ruling against the tariffs. Some political figures have welcomed the decision, viewing it as a check on executive power regarding tariffs.
New Tariff Implementation and Mechanisms
Trump has stated that the new 10% global tariff has been enacted by executive order. While the exact details of the implementation are still emerging, it appears Trump intends to utilize other statutes to enact these new duties.
One identified pathway is through laws like Section 301, which allows for investigations into potential unfair trade practices, potentially leading to new tariffs.
Another mechanism mentioned is related to countries that send more to the United States than they import. However, tariffs enacted this way may have a 150-day time limit unless extended by Congress.
Trump's administration also had reciprocal tariffs and drug-trafficking-related duties in place, some of which remain active.
Market Expectations
With the announcement of new tariffs and the confirmation of existing ones, markets are bracing for potential reactions. The economic implications for trade, the global economy, and personal finances are expected to be significant. The specific impact on Monday's trading will depend on further details about the scope and enforcement of these new measures, as well as any subsequent political or economic developments.
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Evidence
"The Supreme Court struck down President Donald Trump’s far-reaching global tariffs in a 6-3 decision on Friday, handing him a stinging loss on an issue crucial to his economic agenda." - AP News
"The Supreme Court ruled that Trump exceeded his authority when imposing sweeping tariffs using a law reserved for a national emergency." - NBC News
"Trump announces new 10% global tariff after raging over Supreme Court loss." - CNBC
"Trump signs new 10% global tariff after 'deeply disappointing' court ruling." - USA Today
"Trump made tariffs central to his presidency." - Economic Times
"Trump also declared that all the tariffs active under statutes known as Section 232 and Section 301 will remain 'in full force and effect.'" - CNBC
"The new tariffs apply to countries that send the United States more than they import. But that type of tariff lasts for only 150 days, unless Congress votes to extend them." - USA Today
Expert Analysis
Legal Interpretation: While the Supreme Court ruled against Trump's use of IEEPA, legal experts suggest that other statutes, such as Section 301, provide grounds for imposing tariffs to address specific trade concerns. The breadth of these alternative statutes and the conditions for their use remain points of discussion.
Economic Impact: The continuation and introduction of tariffs are expected to create ongoing uncertainty in global trade. Analysts are observing how these measures will affect supply chains, consumer prices, and international business relationships. The effectiveness of tariffs as a tool to address trade imbalances or unfair practices is a subject of continuous debate.
Conclusion
President Trump has implemented a new 10% global tariff following the Supreme Court's decision to strike down his previous tariffs imposed under IEEPA. While the court found he exceeded his authority with those specific tariffs, Trump asserts his right to impose duties through other legal means, including existing statutes like Section 301 and measures related to trade deficits. Markets are awaiting further clarity on the implementation and scope of these new tariffs, with potential for continued market volatility. The long-term effects on trade and the economy will depend on how these policies are enforced and whether further legal or political challenges arise.
Sources:
Economic Times: https://economictimes.indiatimes.com/markets/stocks/news/sweeping-tariffs-gone-but-trumps-10-global-tariffs-on-what-to-expect-from-markets-on-monday/articleshow/128638352.cms
Context: Provides a market-focused perspective on the tariff news and its potential impact.
Context: Live coverage offering a broad overview of the Supreme Court ruling and Trump's reaction, touching on economic and political effects.
CNBC: https://www.cnbc.com/2026/02/20/trump-global-trade-tariff-supreme-court.html
Context: Details Trump's announcement of the new tariff and his statements regarding his authority and existing tariff statutes.
AP News: https://apnews.com/live/supreme-court-tariff-ruling-updates
Context: Live updates on the Supreme Court tariff ruling, including the decision details and Trump's immediate response.
NBC News: https://www.nbcnews.com/politics/supreme-court/live-blog/-trump-tariffs-ruling-supreme-court-live-updates-rcna252655
Context: Live blog covering the Supreme Court decision and Trump's subsequent press conference and tariff announcement.
USA Today: https://www.usatoday.com/story/news/politics/2026/02/20/trump-new-10-percent-tariffs/88778386007/
Context: Reports on Trump's approval of new tariffs following the court ruling, discussing the legal basis and potential limitations.