Certain Chassis and Subassemblies Thereof From Mexico: Preliminary Affirmative Determination of Sales at Less Than Fair Value, Postponement of Final Determination, and Extension of Provisional Measures

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-201-865] AGENCY: Enforcement and Compliance, International Trade Administration, Department of Commerce. SUMMARY: The U.S. Department of Commerce (Commerce) preliminarily determines that certain chassis and subassemblies thereof (chassis) from Mexico are being, or is likely to be, sold in the United States at less than fair value (LTFV). The period of investigation (POI) is January 1, 2024, through December 31, 2024. Interested parties are invited to comment on this preliminary determination. DATES: Applicable September 29, 2025. FOR FURTHER INFORMATION CONTACT: Jun Jack Zhao or Thomas Gilgunn, AD/CVD Operations, Office VII, Enforcement and Compliance, International Trade ( printed page 46558) Administration, U.S. Department of Commerce, 1401 Constitution Avenue NW, Washington, DC 20230; telephone: (202) 482-1396 or (202) 482-4236, respectively. SUPPLEMENTARY INFORMATION: Background This preliminary determination is made in accordance with section 733(b) of the Tariff Act of 1930, as amended (the Act). Commerce published the notice of initiation of this investigation on March 24, 2025. [ 1 ] On July 18, 2025, Commerce postponed the preliminary determination of this investigation until September 24, 2025. [ 2 ] For a complete description of the events that followed the initiation of this investigation, see the Preliminary Decision Memorandum. [ 3 ] A list of topics included in the Preliminary Decision Memorandum is i…