S. Supreme Court ruled his previous tariffs illegal. The new tariffs took effect on February 24, 2026, according to White House statements.
S. " The executive order relies on a law allowing the president to impose tariffs of up to 15% for 150 days without congressional approval. However, the order includes exceptions for Canada and Mexico under the USMCA trade agreement, which Trump signed during his first term.
almost immediately
For goods not covered by USMCA, the new tariffs actually represent a reduction from previous rates of 35% for Canada and 25% for Mexico. The White House is reportedly working on a formal order to increase tariffs to 15%, though this has not yet been issued. More than 1,500 American companies are seeking refunds totaling over $170 billion for tariffs imposed under Trump's previous trade policies, a matter the president acknowledged could result in years of litigation.