President Trump has maintained 50% Section 338 tariffs on roughly $20 billion of Canadian goods since their August 22, 2026 implementation, citing Canadian discrimination against U.S. motor vehicles, dairy, and alcohol exports. Canada responded with matching retaliatory tariffs effective September 8, prompting further U.S. adjustments to covered products on September 15 and import bans on select items scheduled for September 29. Trade talks collapsed in late August with no subsequent agreements or concessions reported. These actions, layered atop existing Section 232 duties and independent of USMCA preferences, reflect sustained bilateral friction rather than de-escalation. Any announcement of tariff reductions would require verifiable progress on the underlying market-access disputes, a development absent from official statements or negotiations through late September.