Seamless Refined Copper Pipe and Tube From the Socialist Republic of Vietnam: Final Results of the Expedited First Sunset Review of the 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-552-831] AGENCY: Enforcement and Compliance, International Trade Administration, Department of Commerce. SUMMARY: The U.S. Department of Commerce (Commerce) finds that revocation of the antidumping duty (AD) order on seamless refined copper pipe and tube (copper pipe and tube) from the Socialist Republic of Vietnam (Vietnam) would be likely to lead to continuation or recurrence of dumping, at the levels indicated in the “Final Results of Sunset Review” section of this notice. DATES: Applicable October 28, 2026. FOR FURTHER INFORMATION CONTACT: Catherine Bonilla, Trade Agreements Policy and Negotiations, Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce, 1401 Constitution Avenue NW, Washington, DC 20230; telephone: 202-482-7955. SUPPLEMENTARY INFORMATION: Background On August 13, 2021, Commerce published the Order in the Federal Register . [ 1 ] On July 2, 2026, Commerce published the notice of initiation of this first sunset review of the Order, pursuant to section 751(c) of the Tariff Act of 1930 (the Act). [ 2 ] On July 9, 2026, Commerce received a timely and complete notice of intent to participate in the sunset review for domestic interested parties within the deadline specified in the 19 CFR 351.218(d)(1)(i) . [ 3 ] The domestic interested party claimed the interested party status within the meaning of section 771(9)(E) of the Act as a trade or business asso…