Heavy Walled Rectangular Pipes and Tubes from Mexico: Final Results of Antidumping Duty Administrative Review; 2023-2024

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-201-847] AGENCY: Enforcement and Compliance, International Trade Administration, Department of Commerce. SUMMARY: The U.S. Department of Commerce (Commerce) determines that Forza Steel S.A. de C.V. (Forza) and Productos Laminados de Monterrey, S.A. de C.V. (Prolamsa) made sales of subject merchandise at less than normal value during the period of review (POR), September 1, 2023, through August 31, 2024. DATES: Applicable September 3, 2026. FOR FURTHER INFORMATION CONTACT: Katie Smith or Tyler Gartner, AD/CVD Operations, Office II, Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce, 1401 Constitution Avenue NW, Washington, DC 20230; telephone: (202) 482-0557 and (202) 482-0182, respectively. SUPPLEMENTARY INFORMATION: Background On March 10, 2026, Commerce published in the Federal Register the preliminary results of the 2023-2024 administrative review  [ 1 ] of the antidumping duty order on heavy walled rectangular welded carbon steel pipes and tubes from Mexico, [ 2 ] covering two mandatory respondents, Forza and Prolamsa, and five non-examined companies. From April 13, 2026, to April 17, 2026, Commerce verified Prolamsa's questionnaire responses at Prolamsa's facility in Monterrey, Mexico, and from June 12, 2026, to June 14, 2026, Commerce verified the questionnaire responses of Prolamsa's U.S. affiliate, Prolamsa, Inc., in Houston, Texas. [ 3 ] On May 14, 2026, we ex…