Welded Line Pipe From the Republic of Korea: Notice of Court Decision Not in Harmony With the Less-Than-Fair-Value Amended Final Determination; Notice of Amended Final Determination and Notice of Amended Antidumping Duty Order

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Commerce International Trade Administration [A-580-876] AGENCY: Enforcement and Compliance, International Trade Administration, Department of Commerce. SUMMARY: On September 15, 2026, the U.S. Court of International Trade (CIT) issued its final judgment in Stupp Corp. v. United States, Court no. 15-00334, sustaining the U.S. Department of Commerce (Commerce)'s fourth final results of redetermination pursuant to remand pertaining to the less-than-fair-value (LTFV) investigation of welded line pipe from the Republic of Korea (Korea) covering the period of investigation October 1, 2013 through September 30, 2014. Commerce is notifying the public that the CIT's final judgment is not in harmony with Commerce's amended final determination in that investigation, and that Commerce is amending the final determination and the resulting antidumping duty order with respect to the estimated weighted-average dumping margin assigned to SeAH Steel Corporation (SeAH) and to all other producers and exporters. DATES: Applicable September 25, 2026. FOR FURTHER INFORMATION CONTACT: Caroline Carroll, AD/CVD Operations, Office IX, Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce, 1401 Constitution Avenue NW, Washington, DC 20230; telephone: (202) 482-4948. SUPPLEMENTARY INFORMATION: Background On October 13, 2015, Commerce published its Final Determination in the LTFV investigation of welded line pipe from Korea. [ 1 ] Subsequently, on Novemb…