Methylene Diphenyl Diisocyanate From the People's Republic of China: Final Affirmative Determination of Sales at Less Than Fair Value

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-570-200] AGENCY: Enforcement and Compliance, International Trade Administration, Department of Commerce. SUMMARY: The U.S. Department of Commerce (Commerce) determines that methylene diphenyl diisocyanate (MDI) from the People's Republic of China (China) is being, or is likely to be, sold in the United States at less than fair value (LTFV) for the period of investigation July 1, 2024, through December 31, 2024. DATES: Applicable April 13, 2026. FOR FURTHER INFORMATION CONTACT: Christopher Maciuba or Kayden Jenson, AD/CVD Operations, Office II, Enforcement and Compliance, ( printed page 18821) International Trade Administration, U.S. Department of Commerce, 1401 Constitution Avenue NW, Washington, DC 20230; telephone: (202) 482-0413 or (202) 482-0967, respectively. SUPPLEMENTARY INFORMATION: Background On September 16, 2025, Commerce published in the Federal Register its preliminary affirmative determination in the LTFV investigation of MDI from China, in which it also postponed the final determination until January 29, 2026. [ 1 ] We invited interested parties to comment on the Preliminary Determination . [ 2 ] Due to the lapse in appropriations and Federal Government shutdown, on November 14, 2025, Commerce tolled all deadlines in administrative proceedings by 47 days. [ 3 ] Additionally, due to a backlog of documents that were electronically filed via Enforcement and Compliance's Antidumping and Countervailing Dut…