Section 301 Tariffs: A New Phase in U.S. Trade Policy
April 1, 2026
By: Adrienne Braumiller, Founder of Braumiller Law Group
The resurgence of Section 301 tariff investigations marks a pivotal shift in U.S. trade policy. Following the Supreme Court’s invalidation of tariffs imposed under the International Emergency Economic Powers Act (IEEPA), the Office of the U.S. Trade Representative (USTR) has turned to Section 301 of the Trade Act of 1974 as a more durable legal pathway to reimpose and potentially expand tariff measures.