1. On 01/07/2026, Commerce published in the Federal Register its antidumping duty order and amended final determination on hexamethylenetetramine from the Kingdom of Saudi Arabia (subject merchandise) (91 FR 501). This message amends certain instructions pertaining to the final determination in this proceeding. See message 5269401, dated 09/26/2025. 2. The merchandise covered by this order is hexamine in granular form, with a particle size of 5 millimeters or less, whether stabilized or unstabilized, whether or not blended, mixed, pulverized, or grounded with other products, containing 50 percent or more hexamine by weight. Hexamine is the common name for hexamethylene tetramine (Chemical Abstract Service #100-97-0), and is also referred to as 1,3,5,7-tetraazaadamantanemethenamine; HMT; HMTA; 1,3,5,7-tetraazatricyclo {3.3.1.13,7} decane; 1,3,5,7-tetraaza adamantane; hexamethylenamine. Hexamine has the chemical formula C6H12N4. Granular hexamine that has been blended with other product(s) is included in this scope when the resulting mix contains 50 percent or more of hexamine by weight, regardless of whether it is blended with inert additives, co-reactants, or any additives that undergo self-condensation. Subject merchandise includes merchandise matching the above description that has been processed in a third country, including by commingling, diluting, adding or removing additives, or performing any other processing that would not otherwise remove the merchandise from the scope of these orders if performed in the subject country. Merchandise covered by the scope of these orders can be classified in the Harmonized Tariff Schedule (HTSUS) of the United States under the subheading 2933.69.5000. The HTSUS subheading and Chemical Abstracts Service registry number are provided for convenience and customs purposes only; however, the written description of the scope is dispositive. 3. CBP shall suspend liquidation of imports of subject merchandise entered, or withdrawn from warehouse, for consumption on or after 12/30/2025 (date of publication of the International Trade Commission final determination in the Federal Register) and shall require cash deposits equal to the percentages of entered value identified below. Producer and/or Exporter: Methanol Chemicals Company Case Number: A-517-807-001 Cash Deposit: 8.10 percent Producer and/or Exporter: All-Others Case Number: A-517-807-000 Cash Deposit: 8.10 percent 4. If there are any questions by the public regarding this message, please contact the Call Center for the Office of AD/CVD Operations, Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce at (202) 482-0984. CBP ports should submit their inquiries through authorized CBP channels only. (This message was generated by OII:AH) 5. There are no restrictions on the release of this information. Alexander Amdur