1. On 05/20/2026, Commerce published in the Federal Register (91 FR 29457) its final determination of sales at less than fair value in the antidumping duty investigation of polypropylene corrugated boxes from the Socialist Republic of Vietnam. 2. The products covered by this investigation are described in message 5105402, dated 04/15/2025. 3. This proceeding has been assigned case number A-552-850. 4. For imports of polypropylene corrugated boxes from the Socialist Republic of Vietnam, CBP shall suspend liquidation of such shipments entered, or withdrawn from warehouse, for consumption on or after 10/02/2025. 5. Effective 05/20/2026, CBP shall require, for entries of polypropylene corrugated boxes from the Socialist Republic of Vietnam from the exporter/producer combinations listed below, a cash deposit equal to the antidumping duty cash deposit(s) shown below: Exporter: Vietnam-Wide Entity Case number: A-552-850-000 Cash deposit rate: 130.58% Exporter: Viet Nam Jia Bao Rui Company Limited Producer: Viet Nam Jia Bao Rui Company Limited Case number: A-552-850-000 Cash deposit rate: 130.58% Note to CBP: In the final determination, Commerce determined that this company is no longer eligible for a separate rate and shall now be treated as part of the Vietnam-wide entity. Accordingly, Commerce has deactivated the following exporter/producer chain rate case number: A-552-850-001. Effective 05/20/2026 (the date of publication of the final determination of investigation), entries of subject merchandise from this exporter should be entered under A-552-850-000. 6. For all other entries of polypropylene corrugated boxes from the Socialist Republic of Vietnam, the following cash deposit instructions apply: A. For all Vietnamese exporters of polypropylene corrugated boxes from the Socialist Republic of Vietnam which have not received their own rate, the cash deposit rate will be the Vietnam-wide rate. B. For all non-Vietnamese exporters of polypropylene corrugated boxes from the Socialist Republic of 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-Vietnamese exporter. 7. 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 OIII:AC.) 8. There are no restrictions on the release of this information. Alexander Amdur