1. On 03/01/2024, Commerce published in the Federal Register its affirmative preliminary determination of sales at less than fair value in the antidumping duty investigation of mattresses from Slovenia (89 FR 15121). 2. The products covered by this investigation are described in message 3242405, dated 08/30/2023. 3. This proceeding has been assigned case number A-856-002 for Commerce purposes and case number A-479-504 for CBP purposes. 4. For imports of mattresses from Slovenia, CBP shall suspend liquidation of such shipments entered, or withdrawn from warehouse, for consumption on or after 03/01/2024. Effective 03/01/2024, 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: Noctis D.O.O. Case number: A-479-504-001 Cash deposit rate: 744.81% Producer and/or Exporter: Stokke AS Case number: A-479-504-002 Cash deposit rate: 744.81% Producer and/or Exporter: BBCC Int. D.O.O. Case number: A-479-504-003 Cash deposit rate: 744.81% Producer and/or Exporter: Mirisan D.O.O. Case number: A-479-504-004 Cash deposit rate: 744.81% All Others Case Number: A-479-504-000 Cash Deposit Rate: 744.81% 5. If any entries of this merchandise are exported by a firm other than the producer, then the following instructions apply: A. If the exporter of the subject merchandise does not have its own rate but the producer has its own rate, the cash deposit rate will be the producer's rate. B. Where neither the exporter nor the producer has its own rate or the producer is unknown, use the all-others rate of 744.81 percent to establish the cash deposit. 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:AH.) 7. There are no restrictions on the release of this information. Alexander Amdur