Mexican Oilfield Tubes Draw Another Standard Antidumping Duty Review
Published Date: 11/5/2026
Notice
Summary
The U.S. Department of Commerce found that certain oil country tubular goods from Mexico were sold in the U.S. at unfairly low prices from November 2023 to October 2024. This means importers might have to pay extra duties starting November 5, 2026, to level the playing field. Companies involved should watch for these changes to avoid surprises in costs and compliance.
Analyzed Economic Effects
3 provisions identified: 0 benefits, 3 costs, 0 mixed.
Certificate Requirement — Risk of Double Duties
Importers must file a certificate regarding reimbursement of antidumping duties prior to liquidation of the relevant entries during this review period, as required by 19 CFR 351.402(f)(2). If an importer fails to file this certificate, Commerce may presume reimbursement occurred and assess double antidumping duties.
1.87% Antidumping Margin for TAMSA
The Department of Commerce determined that Tubos de Acero de Mexico, S.A. (TAMSA) had a weighted-average dumping margin of 1.87 percent for sales in the United States during November 1, 2023 through October 31, 2024. This determination is the basis for assessing antidumping duties on entries and is applicable beginning November 5, 2026.
Cash Deposit Rates Start on Publication
For shipments entered or withdrawn for consumption on or after the publication date, importers must post cash deposits equal to the applicable rate: company-specific rates (e.g., 1.87% for TAMSA) or, for other producers/exporters not covered in this review, existing rates including a 44.93% all-others rate. These cash deposit requirements take effect upon publication of this notice (November 5, 2026).
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Key Dates
Department and Agencies
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