1. On 9/29/2025, Commerce published in the Federal Register (90 FR 46561) its preliminary determination of sales at less than fair value and the postponement of the final determination in the antidumping duty investigation of certain chassis and subassemblies (chassis) thereof from the Socialist Republic of Vietnam (Vietnam). 2. The products covered by this investigation are described in message 5086402, dated 3/27/2025. 3. This proceeding has been assigned case number A-552-849. 4. For imports of chassis from Vietnam, CBP shall suspend liquidation of such shipments entered, or withdrawn from warehouse, for consumption on or after 09/29/2025. Effective 09/29/2025, CBP shall require, for entries of chassis from Vietnam from the exporter/producer combinations listed below, a cash deposit equal to the antidumping duty cash deposit shown below: Exporter: Vietnam-Wide Entity Case number: A-552-849-000 Cash deposit rate: 511.16% Exporter: Thaco Special Vehicles Manufacturing Limited Company; Thaco Industries Trailers and Heavy Steel Structures Manufacturing Limited Liability Company Producer: Thaco Special Vehicles Manufacturing Limited Company; Thaco Industries Trailers and Heavy Steel Structures Manufacturing Limited Liability Company Case number: A-552-849-001 Cash deposit rate: 511.16% 5. For all other entries of chassis from Vietnam, the following cash deposit instructions apply: A. For all Vietnam exporters of chassis from Vietnam which have not received their own rate, the cash deposit rate will be the Vietnam-wide rate. B. For all non-Vietnam exporters of chassis from Vietnam which have not received their own rate, the cash deposit rate will be the rate applicable to the exporter/producer combinations that supplied that non-Vietnam exporter. 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 OIX:EB.) 7. There are no restrictions on the release of this information. Alexander Amdur