Certain Alkyl Phosphate Esters From the People's Republic of China: Initiation of Circumvention Inquiry on the Antidumping and Countervailing Duty Orders

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-570-168, C-570-169] AGENCY: Enforcement and Compliance, International Trade Administration, Department of Commerce. SUMMARY: In response to a request from ICL-IP America, Inc. (the requester), the U.S. Department of Commerce (Commerce) is initiating a country-wide circumvention inquiry to determine whether spray-foam systems from Thailand, which are completed or assembled with components produced in the People's Republic of China (China), are circumventing the antidumping duty (AD) and countervailing duty (CVD) orders on certain alkyl phosphate esters (esters) from China. DATES: Applicable September 1, 2026. FOR FURTHER INFORMATION CONTACT: Patrick Barton or Enio Guevara, AD/CVD Operations, Office VIII Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce, 1401 Constitution Avenue NW, Washington, DC 20230; telephone: (202) 482-0012 or (202) 482-4986, respectively. SUPPLEMENTARY INFORMATION: Background On June 30, 2026, pursuant to section 781(b) of the Tariff Act of 1930, as amended (the Act), and 19 CFR 351.226 , the petitioner filed a circumvention inquiry request alleging that U.S. imports of spray-foam systems from Thailand containing a blend of Chinese-origin esters are circumventing the Orders. [ 1 ] On July 13, 2026, Commerce issued a deficiencies questionnaire to the requester regarding the Circumvention Request. [ 2 ] On July 27, 2026, the requester responded to Commerc…