Tariff Watch: The Newest US Trade Policy Moves and Who They Affect
October 8, 2026 | ATN Trade & Finance
The legal architecture of US trade policy has been rebuilt from the ground up since February, when the Supreme Court struck down the IEEPA tariff authority that had underpinned the previous administration's "reciprocal" tariff regime. What replaced it is a patchwork of older statutes deployed at unprecedented scale — and several of the most consequential moves are still taking effect.
The Legal Shift: From IEEPA to Section 301, 232, and 338
The February 20, 2026 Supreme Court ruling — a 6-3 decision — held that the International Emergency Economic Powers Act does not grant the president authority to impose tariffs. That invalidated the 2025 wave of emergency tariffs that had briefly pushed the average US applied tariff rate to roughly 27%, the highest in nearly a century, and sent cumulative rates on some Chinese goods above 145%.
Within weeks, the administration began reimposing duties through other authorities. The most sweeping was the Section 301 forced labor action, effective July 24, 2026, which replaced a temporary Section 122 tariff that expired that day. The USTR, after a formal investigation, found that 60 trading partners had "failed to impose or effectively enforce prohibitions on the importation of goods produced with forced labor" and imposed additional duties accordingly. The list covers countries accounting for approximately 99.4% of US imports — effectively making this a near-universal tariff program in everything but name.
The rates are tiered: 10% additional duty applies to Canada, Mexico, India, the United Kingdom, Bangladesh, Cambodia, Malaysia, Indonesia, Pakistan, and others. 12.5% applies to most remaining economies. For the EU and Taiwan, combined tariffs are capped so the total doesn't generally exceed 10%; Japan, South Korea, and Switzerland face a 12.5% ceiling. Goods already covered by Section 232 measures — steel, aluminum, copper, automobiles — are exempt, as are USMCA-qualifying imports from Canada and Mexico, and most energy and agricultural commodities. Textile and apparel shipments from Bangladesh, Cambodia, Indonesia, and Malaysia face tariff-rate quotas targeted for implementation by September 1, though the rollout has been complex. Two separate lawsuits at the Court of International Trade are challenging the action, arguing the forced labor justification is pretextual.
Section 232: The Metals Baseline
Separate from and predating the Section 301 action, Section 232 national security tariffs remain a baseline across virtually all trading partners: 50% on steel, aluminum, and copper from all origins, and 25% on non-USMCA automobiles. For importers of Canadian and Mexican goods that qualify under USMCA, these Section 232 rates are generally waived — but the Section 338 Canada-specific tariffs (50% on ~$20 billion of Canadian goods, effective August 22) stack on top of any remaining liability. Importers should not assume USMCA status neutralizes their Canadian exposure.
The Canada Escalation: More Coming January 1
The US-Canada escalation reviewed in detail in this week's earlier Tariff Update post has a phase not yet fully priced in by markets: effective January 1, 2027, the US has scheduled an additional 50% tariff on Canadian automobiles, auto parts, and steel beyond what is already in place. For auto sector suppliers on both sides of the border currently navigating USMCA content-rule negotiations, this deadline is the most urgent on the calendar.
China: A Small Thaw, a Big January Deadline
A September summit between US and Chinese officials produced what the two sides are calling a "30-for-30" framework — a commitment to reduce tariffs on approximately $30 billion of non-sensitive goods from each side. The US-China trade truce, which had been set to expire in November, was extended to January 10, 2027, with a new US-China Board of Trade created to manage ongoing negotiations. The truce extension is meaningful but narrow: high-sensitivity goods remain under existing Section 301 and Section 232 duties, and January 10 remains the cliff edge for a much broader tariff reset.
Russia Energy Sanctions: An October 18 Deadline
One consequential near-term date has received less attention than it deserves. Under the Russia and Iran sanctions legislation, the president is required to impose tariffs of up to 100% on top purchasers of Russian energy — a provision that could reach China, India, and others — with a deadline around October 18, 2026. The exact scope and implementation remain unclear, but importers with supply chains touching either Russia-origin energy or the downstream products of major Russian energy buyers should track this closely over the next ten days.
Other Recent Actions
The administration imposed a 100% tariff on certain unmanned aircraft systems (UAS/drones) from September 3, with a 25% rate on lighter UAS without thermal imaging from the same date, targeting Chinese drone manufacturers in particular. A 25% tariff on AI-related semiconductor parts has been in place since January 15, 2026. A polysilicon minimum import price framework is scheduled to take effect December 4, 2026, with direct implications for US solar panel supply chains.
What this means for importers: The shift from IEEPA to Section 301, 232, and 338 matters procedurally as much as practically — these statutes have more established legal footing and established administrative records, making them harder to challenge than emergency tariffs were. The current tariff environment is not a temporary disruption; it is the new architecture. For importers, the three near-term dates to track are October 18 (Russia energy sanctions), January 1 (Canadian auto tariffs), and January 10 (US-China truce expiry). Any one of those could produce a step change in costs for affected supply chains.