Canada Import Bans Reach Federal Register as Volumes Turn

On September 14 the Federal Register published five proclamations signed under Section 338 of the Tariff Act of 1930, and the document does something tariffs alone did not: it removes Canadian products from the US market outright. Import bans on certain Canadian alcohol, dairy and motorcycles take effect September 29, 2026, while a scope swap that pulls rock salt and cement out of the tariff lines and adds ATVs and additional dairy products took effect September 15. The action answers Canada's September 8 counter-tariffs, which applied 15, 25 and 50 percent rates to roughly CA$27.6 billion of US-origin goods. What began as a tariff fight has become a managed contraction of the largest bilate…