U.S. Customs and Border Protection (CBP) recently issued guidance via the Cargo Systems Messaging Service (CSMS) on filing entries for imports from Canada subject to duties under Section 338 of the Tariff Act of 1930 (Section 338). We previously covered President Trump’s imposition and subsequent modification of these Section 338 tariffs here, here, and here.
Tariffs & Trade
The U.S. Trade War with Canada Escalates with Import Bans and More Products Subject to Section 338 Tariffs
Weekly Update: Week of August 31, 2026
CBP Issues Section 232 Filing Guidance for UAS and Components (CSMS #69738151)
On September 2, 2026, CBP issued CSMS #69738151 providing guidance on Section 232 duties for unmanned aircraft systems (UAS) and UAS components under Presidential Proclamation 11055. The proclamation imposes additional duties of 10%–100% on covered UAS/UAS components effective for entries on or…
From Settlements to Strategy: The Fraud Division’s Trade Enforcement Priority and What It Means for Importers
On September 1, we posted on the Government Enforcement, Compliance & Investigations Report about how a Taiwan-based LED manufacturer and its U.S. subsidiary agreed to pay $5.15 million to resolve False Claims Act allegations that they evaded Section 301 tariffs by transshipping Chinese-origin LEDs through Taiwan. The settlement, announced August 5, 2026 by the U.S. Attorney’s…
Weekly Trade Update: August 24-28, 2026
OFAC Makes Iran-related Updates to SDN List
The Office of Foreign Assets Control (“OFAC”) took additional actions as part of “Operation Economic Outcast”, the Administration’s sanctions campaign against Iran. OFAC announced the addition of an Iranian national (Reza Mohammad Taeedi) and a Hong Kong based company (Kameng Trading Limited) to the Specifically Designated Nationals and Blocked…
OFAC and State Department Announces New Updates to SDN List and Sanctions Related to Iran
On August 24, 2026, the U.S. Department of the Treasury’s Office of Foreign Assets Control (“OFAC”) announced numerous actions related to Iran sanctions. These actions are deemed “Operation Economic Outcast” and are meant to align with changes in the foreign policy of the United States towards Iran.
On the same day, the U.S. Department of…
Canada Finalizes List of Products Subject to Retaliatory Labor Day Tariffs
As previously reported, on August 22, 2026, Canadian Prime Minister Mark Carney announced that Canada will impose dollar-for-dollar retaliatory tariffs in response to the Section 338 additional duties that went into effect following the suspension of trade negotiations between the U.S. and Canada.
On August 25, 2026, the Canadian Government unveiled the finalized list…
State Department Removes Syria From State Sponsor of Terrorism List
On August 24, 2026, pursuant to Executive Order 14312, the U.S. Department of State took action to rescind Syria’s designation as a State Sponsor of Terrorism (“SST”). Additionally, the State Department and U.S. Department of the Treasury concurrently removed Hay’at Tahrir al-Sham’s (“HTS”) designation as a Specially Designated Global Terrorist (“SDGT”) organization and Specially…
Weekly Trade Update: August 17-20, 2026
CBP to Verify Importer of Record Information on Form 5106
CBP announced it is executing enhanced enforcement procedures to verify the accuracy of importer of record information provided on CBP Form 5106, and importers of record or their brokers must submit complete and accurate information by September 18 to avoid consequences. The initiative follows the…
Section 338 Additional Duties Go Into Effect After U.S. and Canada Negotiations Suspended; Canada Retaliates With Post-Labor Day Tariffs Announcement
In the latest development in United States-Canada trade relations, 50% additional duties, announced in three separate proclamations issued on July 20, 2026, took effect as of 12:01 a.m. eastern time on August 22, 2026. President Donald Trump imposed the additional duties pursuant to Section 338 of the Tariff Act of 1930, which empowers the President to impose additional duties (not exceeding 50%) on imports from a foreign country to offset the burden or disadvantage caused by that country’s unequal imposition on or discrimination against U.S. commerce.
