VOL. I · WASHINGTON TARIFF DECISION ASSISTANT · April 25, 2026
§ TARIFF CHANGE DOCKET

Every US tariff change, as it happens.

§301 revisions, IEEPA declarations, AD/CVD orders, USTR exclusions — parsed from the Federal Register and posted within 24 hours. Each item links back to the source notice.

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APRIL 27, 2026 · MONDAY
AD/CVD
12:00 AM UTC
2026-08128

Circular Welded Carbon Steel Pipes and Tubes From Thailand: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-2025

Federal Register notice: Circular Welded Carbon Steel Pipes and Tubes From Thailand: Preliminary Results and Rescission, in Part, of Antidumping Duty Administrative Review; 2024-2025. The U.S. Department of Commerce (Commerce) preliminarily finds that certain companies subject to this administrative review made sales of subject merchandise at

IMPACT
↑ INCREASE
additional duty
APRIL 24, 2026 · FRIDAY
AD/CVD
12:00 AM UTC
2026-08042

Certain Chassis and Subassemblies Thereof From the Kingdom of Thailand: Final Affirmative Countervailing Duty Determination

Federal Register notice: Certain Chassis and Subassemblies Thereof From the Kingdom of Thailand: Final Affirmative Countervailing Duty Determination. The U.S. Department of Commerce (Commerce) determines that countervailable subsidies are being provided to producers and exporters of certain chassis and subass

IMPACT
↑ INCREASE
additional duty
AD/CVD
12:00 AM UTC
2026-08040

Certain Chassis and Sub assemblies There of From Mexico: Final Affirmative Countervailing Duty Determination

Federal Register notice: Certain Chassis and Sub assemblies There of From Mexico: Final Affirmative Countervailing Duty Determination. The U.S. Department of Commerce (Commerce) determines that countervailable subsidies are being provided to producers and exporters of certain chassis and subass

IMPACT
↑ INCREASE
additional duty
AD/CVD
12:00 AM UTC
2026-08036

Certain Cold-Rolled Steel Flat Products From the Republic of Korea: Preliminary Results and Rescission, in Part, of Countervailing Duty Administrative Review; 2023; Correction

Federal Register notice: Certain Cold-Rolled Steel Flat Products From the Republic of Korea: Preliminary Results and Rescission, in Part, of Countervailing Duty Administrative Review; 2023; Correction. The U.S. Department of Commerce (Commerce) published notice in the Federal Register of March 5, 2026, in which Commerce announced the preliminary results of t…

IMPACT
↑ INCREASE
additional duty
AD/CVD
12:00 AM UTC
2026-08035

Common Alloy Aluminum Sheet From the Republic of Türkiye: Final Results of Countervailing Duty Administrative Review; 2023; Correction

Federal Register notice: Common Alloy Aluminum Sheet From the Republic of Türkiye: Final Results of Countervailing Duty Administrative Review; 2023; Correction. The U.S. Department of Commerce (Commerce) published a notice in the Federal Register on April 9, 2026, in which Commerce announced the final results of the 202

IMPACT
↑ INCREASE
additional duty
AD/CVD
12:00 AM UTC
2026-08034

Common Alloy Aluminum Sheet From India: Final Results of Countervailing Duty Administrative Review; 2023; Correction

Federal Register notice: Common Alloy Aluminum Sheet From India: Final Results of Countervailing Duty Administrative Review; 2023; Correction. The U.S. Department of Commerce (Commerce) published a notice in the Federal Register of March 10, 2026, in which Commerce announced its final results in the 20

IMPACT
↑ INCREASE
additional duty
APRIL 23, 2026 · THURSDAY
AD/CVD
12:00 AM UTC
2026-07979

Certain Activated Carbon From the People's Republic of China: Final Results of Antidumping Duty Administrative Review; 2023-2024

Federal Register notice: Certain Activated Carbon From the People's Republic of China: Final Results of Antidumping Duty Administrative Review; 2023-2024. The U.S. Department of Commerce (Commerce) determines that certain exporters under review sold certain activated carbon (activated carbon) from the People's Rep

IMPACT
↑ INCREASE
additional duty
AD/CVD
12:00 AM UTC
2026-07867

Certain Preserved Mushrooms From the Netherlands: Final Results of Antidumping Duty Administrative Review; 2022-2024

Federal Register notice: Certain Preserved Mushrooms From the Netherlands: Final Results of Antidumping Duty Administrative Review; 2022-2024. The U.S. Department of Commerce (Commerce) determines that Okechamp B.V. (Okechamp) made sales of subject merchandise at less than normal value during the perio

IMPACT
↑ INCREASE
additional duty
AD/CVD
12:00 AM UTC
2026-07866

Wooden Cabinet and Vanities and Components Thereof From the People's Republic of China: Final Results and Recission, in Part, of Antidumping Duty Administrative Review; 2023-2024

Federal Register notice: Wooden Cabinet and Vanities and Components Thereof From the People's Republic of China: Final Results and Recission, in Part, of Antidumping Duty Administrative Review; 2023-2024. The U.S. Department of Commerce (Commerce) determines that The Ancientree Cabinet Co., Ltd. (Ancientree) and KM Cabinetry Co., Ltd. (KM) made sales of wood…

IMPACT
↑ INCREASE
additional duty
APRIL 20, 2026 · MONDAY
AD/CVD
12:00 AM UTC
2026-07660

Disposable Aluminum Containers, Pans, Trays, and Lids From the People's Republic of China: Preliminary Affirmative Determination of Circumvention of the Antidumping Duty and Countervailing Duty Orders

Federal Register notice: Disposable Aluminum Containers, Pans, Trays, and Lids From the People's Republic of China: Preliminary Affirmative Determination of Circumvention of the Antidumping Duty and Countervailing Duty Orders. The U.S. Department of Commerce (Commerce) preliminarily determines that imports of disposable aluminum containers, pans, trays, and …

IMPACT
↑ INCREASE
additional duty
AD/CVD
12:00 AM UTC
2026-07659

Disposable Aluminum Containers, Pans, Trays, and Lids From the People's Republic of China: Preliminary Affirmative Determination of Circumvention of the Antidumping Duty and Countervailing Duty Orders

Federal Register notice: Disposable Aluminum Containers, Pans, Trays, and Lids From the People's Republic of China: Preliminary Affirmative Determination of Circumvention of the Antidumping Duty and Countervailing Duty Orders. The U.S. Department of Commerce (Commerce) preliminarily determines that imports of disposable aluminum containers, pans, trays, and …

IMPACT
↑ INCREASE
additional duty
APRIL 17, 2026 · FRIDAY
AD/CVD
12:00 AM UTC
2026-07503

Phosphate Fertilizers From the Russian Federation: Final Results of Countervailing Duty Administrative Review; 2023

Federal Register notice: Phosphate Fertilizers From the Russian Federation: Final Results of Countervailing Duty Administrative Review; 2023. The U.S. Department of Commerce (Commerce) determines that Joint Stock Company Apatit (JSC Apatit), a producer/exporter of phosphate fertilizers from the Russia

IMPACT
↑ INCREASE
additional duty