1. On 05/05/2025, Commerce published in the Federal Register (90 FR 18966) the final results of antidumping duty administrative review and final determination of no shipments of certain producers and/or exporters subject to the antidumping duty order on light-walled rectangular pipe and tube (LWRPT) from the People's Republic of China (China) for the period of 08/01/2022 through 07/31/2023. On 05/05/2025, Commerce also published in the Federal Register (90 FR 18959) the final results of countervailing duty administrative review and final determination of no shipments of certain producers and/or exporters subject to the countervailing duty order on LWRPT from China for the period 01/01/2022 through 12/31/2022. 2. In messages 3319411, dated 11/15/2023; 3320401, dated 11/16/2023; and 3320404, dated 11/16/2023; Commerce informed CBP that Hoa Phat Steel Pipe Company Ltd. was not eligible to participate in the certification program detailed in these messages. 3. Pursuant to Commerce's final results of antidumping duty administrative review (90 FR 18966) and final results of countervailing duty administrative review (90 FR 18959), effective 05/05/2025, Hoa Phat Steel Pipe Company Ltd. is eligible to participate in the certification program detailed in messages 3319411, 3320401, and 3320404. Specifically, Hoa Phat Steel Pipe Company Ltd. is now eligible to certify the origin of the hot-rolled steel that it uses for its production and/or export of LWRPT from the Socialist Republic of Vietnam (Vietnam). 4. Consistent with messages 3319411, 3320401, and 3320404, and the final results of antidumping duty and countervailing duty review (90 FR 18966 and 90 FR 18959), imports of light-walled welded rectangular carbon steel tubing (LWR tubing) and LWRPT completed in Vietnam; produced and/or exported by Hoa Phat Steel Pipe Company Ltd.; and entered, or withdrawn for warehouse on or after 05/05/2025 are subject to the following certification requirements: 4a. Shipments of LWRPT from Vietnam are subject to the cash deposit requirements established in the antidumping duty order on LWRPT from China (A-570-914) and the countervailing duty order on LWRPT from China (C-570-915) unless both the importer and the exporter have certified that the entered product was not produced using China-origin hot rolled steel (HRS). 4b. If both the importer and the exporter have certified that the entered product was not produced using China-origin HRS, the entry is subject to the cash deposit requirements established in the antidumping duty order on LWR tubing from Taiwan (A-583-803) unless both the importer and the exporter have also certified that the entered product was not produced using Taiwan-origin HRS. 4c. If both the importer and the exporter have certified that the entered product was not produced using China-origin HRS or Taiwan-origin HRS, the entry is subject to the cash deposit requirements established in the antidumping duty order on LWRPT from Korea (A-580-859) unless both the importer and the exporter have also certified that the entered product was not produced using Korea-origin HRS. 4d. If both the importer and the exporter have certified that the entered product was not produced using China-origin HRS, Taiwan-origin HRS, or Korea-origin HRS, then the entry is not subject to the antidumping duty and countervailing duty orders on LWRPT from China (A-570-914/C-570-915), the antidumping duty order on LWR tubing from Taiwan (A-583-803), or the antidumping duty order on LWRPT from Korea (A-580-859). 5. These cash deposit requirements shall remain in effect until further notice. Do not liquidate any entries of subject merchandise until specific assessment instructions are issued. 6. 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 OIV: PK) 7. There are no restrictions on the release of this information. Alexander Amdur