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US Section 338 proclamations target Canadian vehicles, dairy and alcohol; Canada answers with counter-tariffs

The Shapiro tariff tracker records that on 9 September 2026 President Trump announced three proclamations under Section 338 covering Canadian motor vehicles, dairy products and alcoholic beverages, effective 29 September 2026. The Trade Compliance Resource Hub tracker lists the Section 338 duties on those goods at 50%.

Canada responded with counter-tariffs of up to 50% on C$27.6 billion of US goods, in force since 8 September (see our earlier article on Canada's surtax).

Source: Shapiro - Trump's trade tariff updates