U.S. President Donald Trump vowed to ramp up his use of sector-based duties and others after the Supreme Court ruled against a swath of his existing tariffs on Friday, raising new risks for a Canadian economy that’s struggled mightily with duties that target specific industries.
Sectoral tariffs implemented under Section 232 of the U.S. Trade Expansion Act of 1962 – including those on autos, steel and aluminum – have delivered the harshest blow to Canada, because most other products continue to trade tariff-free under a crucial exemption.
