1. Commerce has amended the preliminary determination in the antidumping duty investigation on aluminum extrusions from the Republic of Turkiye. This amendment was published on 06/05/2024 in the Federal Register (89 FR 48152) and changes the cash deposit rate for certain producers and/or exporters. 2. The products covered by this investigation are described in message 4129405, dated 05/08/2024. 3. This proceeding has been assigned case number A-489-850. 4. For shipments of aluminum extrusions from the Republic of Turkiye entered, or withdrawn from warehouse, for consumption on or after 05/07/2024, CBP shall require, for such entries, a cash deposit equal to the margins for the producers and/or exporters listed below: Producer and/or Exporter: Erdoganlar Aluminyum San. ve Tic. A.S. Case number: A-489-850-001 Cash deposit rate: 9.91% Producer and/or Exporter: Sistem Aluminyum Sanayi ve Ticaret A.S. Case number: A-489-850-002 Cash deposit rate: 19.86% Producer and/or Exporter: Alkor Aluminyum Enerji Insaat Sanayi ve Ticaret Anonim Sirketi Case number: A-489-850-003 Cash deposit rate: 37.26% Producer and/or Exporter: Astas Aluminyum San ve Tic A.S. Case number: A-489-850-004 Cash deposit rate: 37.26% Producer and/or Exporter: Ayde Aluminyum LTD. STI. Case number: A-489-850-005 Cash deposit rate: 37.26% Producer and/or Exporter: Burak Aluminyum San Case number: A-489-850-006 Cash deposit rate: 37.26% Producer and/or Exporter: P.M.S. Aluminyum Sanayi ve Ticaret A.S. Case number: A-489-850-007 Cash deposit rate: 37.26% Producer and/or Exporter: Tuna Aluminium Ltd. Case number: A-489-850-008 Cash deposit rate: 37.26% Producer and/or Exporter: Uluson Aluminum Case number: A-489-850-009 Cash deposit rate: 37.26% All Others Case Number: A-489-850-000 Cash Deposit Rate: 12.78% 5. Instructions for granting a request for a refund on any overcollection will be issued in a separate message. 6. If there are any questions by the importing 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:TH.) 7. There are no restrictions on the release of this information. Alexander Amdur