1,1,1,2-Tetrafluoroethane (R-134a) From the People's Republic of China: 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-570-044] ( printed page 16640) AGENCY: Enforcement and Compliance, International Trade Administration, Department of Commerce. SUMMARY: The U.S. Department of Commerce (Commerce) determines that 1,1,1,2-Tetrafluoroethane (R-134a) from the People's Republic of China (China) was sold in the United States at less than normal value during the period of review (POR), April 1, 2023, through March 31, 2024. DATES: Applicable April 2, 2026. FOR FURTHER INFORMATION CONTACT: John Conniff, AD/CVD Operations, Office III, Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce, 1401 Constitution Avenue NW, Washington, DC 20230; telephone: (202) 482-1009. SUPPLEMENTARY INFORMATION: Background On August 8, 2025, Commerce published the Preliminary Results of this review in the Federal Register and invited interested parties to comment on those results. [ 1 ] Due to the lapse in appropriations and Federal Government shutdown, on November 14, 2025, Commerce tolled all deadlines in administrative proceedings by 47 days. [ 2 ] Additionally, due to a backlog of documents that were electronically filed via Enforcement and Compliance's Antidumping and Countervailing Duty Centralized Electronic Service System (ACCESS) during the Federal Government shutdown, on November 24, 2025, Commerce tolled all deadlines in administrative proceedings by an additional 21 days. [ 3 ] On February 3, 2026, we extended th…