Federal Register · Effective October 22, 2026
Vietnam OCTG: 15.52% antidumping margin for SeAH VINA
A 15.52% weighted-average antidumping margin now applies to SeAH Steel VINA Corporation for the September 1, 2023, through August 31, 2024 period of review. The final results are applicable September 17, 2026, and establish the basis for assessing duties on appropriate entries and for future estimated-duty deposits. Cash deposits at the 15.52% rate apply to SeAH VINA shipments of subject merchandise from Vietnam entered or withdrawn from warehouse for consumption on or after September 17, 2026. The rule reaches oil country tubular goods covered by the Vietnam antidumping order, but the notice says the Issues and Decision Memorandum governs the complete scope description. For period-of-review entries, CBP will assess importer-specific duties; where entered value is unavailable, Commerce uses a per-unit assessment rate, and de minimis rates are liquidated without antidumping duties. For future deposits, previously reviewed exporters retain their most recently published separate rate, Vietnamese exporters without a separate rate receive 111.47%, and non-Vietnamese exporters without their own rate receive the rate of the Vietnamese supplier. Importers must file the reimbursement certificate before liquidation of relevant period-of-review entries, or Commerce may presume reimbursement and assess double duties.
Dates | Published | September 17, 2026 Final results published | | Effective | September 17, 2026 Cash-deposit requirements begin for covered shipments entered or withdrawn for consumption | | Effective | October 22, 2026 Commerce may issue assessment instructions no earlier than 35 days after publication | | Deadline | December 16, 2026 Conditional 90-day period after publication to request a statutory injunction if a timely summons is filed |
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