U.S.-Canada Trade, De Minimis Exemption, and Tariff Evasion and Transshipment

U.S.-Canada trade negotiations remain in a state of high-stakes brinkmanship, with recent tariff threats serving as leverage to force concessions on steel, aluminum, and automotive imports. While a deal appears imminent, the aggressive U.S. approach complicates Canadian domestic politics and risks long-term diplomatic friction. Simultaneously, the judicial upholding of the end to the $800 de minimis exemption signals a shift that will significantly increase administrative burdens for customs authorities and raise costs for small businesses and lower-income consumers. Furthermore, a new White House report on transshipment highlights how current differential tariff structures incentivize "tariff arbitrage," where exporters route goods through third countries to bypass duties. This trend threatens to force multinational corporations into maintaining fragmented, inefficient supply chains to comply with evolving and increasingly complex rules of origin, ultimately undermining global trade stability.