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The investigating authority under the Ministry of Industry and Trade (MOIT) has decided to extend the deadline for responding to the investigation questionnaires for domestic producers and importers in the investigation concerning the imposition of anti-dumping (AD) measures on certain prestressing steel bars originating from China, Case No. AD24.
Under the new notice, the deadline for submitting questionnaire responses has been extended to before 5:00 p.m. on September 29, 2026 (Hanoi time), instead of the original deadline of before 5:00 p.m. on September 14, 2026. The extension was granted following requests from domestic producers.
AD24 Investigation Initiated in July 2026
On July 27, 2026, the Minister of Industry and Trade issued Decision No. 1903/QD-BCT initiating an investigation into the imposition of AD measures on certain prestressing steel bars originating from China.
Case No. AD24 is intended to determine whether the imported goods within the scope of the investigation are being dumped in Vietnam, while also assessing the impact of the imported goods on the domestic industry in accordance with trade remedy regulations.
The investigated products are prestressing steel bars, with reference HS codes including 7227.20.00, 7228.20.11, 7228.20.19 and 7229.20.00. As the product scope is determined not only based on HS codes but also on the actual characteristics of the goods, businesses should carefully cross-check their product information when determining whether their goods fall within the scope of the investigation.
Investigating Authority Issues Questionnaires to Businesses
On August 14, 2026, the Trade Remedies Authority of Vietnam (TRAV) issued Notice No. 115/TB-PVTM concerning the issuance of investigation questionnaires to domestic producers and importers in Case No. AD24.
The questionnaires are used to collect information for the investigation process, requiring businesses to provide data and supporting documents as requested by the investigating authority. This information serves as an important basis for assessing production, business operations, imports and other factors relevant to the case.
Under the original deadline, businesses were required to complete and submit their questionnaire responses before 5:00 p.m. on September 14, 2026. However, following extension requests from domestic producers, the investigating authority approved an additional 15 days.
New Deadline Is 5:00 p.m. on September 29, 2026
Under the extension notice, domestic producers and importers have until before 5:00 p.m. on September 29, 2026, Hanoi time, to respond to the questionnaires.
The extension provides businesses with additional time to review their data, finalize their submissions and prepare the documents required by the questionnaires. In particular, for businesses with large data systems or those required to consolidate information from multiple departments, using the additional time to check the consistency of the data may help minimize errors in the information provided.
Businesses should note that the new deadline is the final deadline specified in the extension notice. Failure to submit the questionnaire response by the deadline or to provide sufficient information as requested may affect the investigating authority’s ability to use the business’s data when assessing the case.
Available Facts May Be Used if Businesses Fail to Cooperate
The investigating authority’s notice clearly states that, after 5:00 p.m. on September 29, 2026, the investigating authority may use available facts in accordance with trade remedy regulations.
This provision is particularly important for businesses required to respond to the questionnaires. In trade remedy proceedings, information provided by businesses serves as an important basis for the investigating authority to assess the condition of the domestic industry, import activities and factors relevant to the imposition of measures.
Therefore, businesses should not focus solely on submitting their responses on time but should also ensure that the information provided is well-supported, complete and consistent with their records, accounting books and business data. Where certain information cannot yet be provided or requires further explanation, businesses should follow the instructions in the investigation questionnaires and the requirements of the investigating authority.
Businesses Should Continue Monitoring Developments in Case No. AD24
The extension of the questionnaire response deadline does not change the other requirements set out in Notice No. 115/TB-PVTM dated August 14, 2026. Relevant businesses must continue to follow the instructions and forms issued by the investigating authority.
For importers of prestressing steel bars from China, businesses should review import transactions falling within the investigation period, accurately identify the producer, exporter, quantity and transaction value, and prepare the relevant supporting documents as required.
Relevant domestic producers should also use the extended period to finalize data on production, revenue, output, selling prices, costs and other indicators required by the questionnaires. Such information may be used by the investigating authority when assessing the condition of the domestic industry and the impact of imported goods.
After the questionnaire response deadline expires, Case No. AD24 will proceed through the subsequent stages of the investigation. Relevant businesses should proactively monitor new notices to ensure that their participation and cooperation with the investigating authority are carried out within the prescribed deadlines.
To protect their legitimate interests, manufacturers and exporters should familiarize themselves with the procedure and actively contact Vietnam Antidumping Law Firm specializing in anti-dumping and trade remedy for timely assistance.
ASL Law is a leading full-service and independent Vietnamese law firm made up of experienced and talented lawyers. ASL Law is ranked as the top tier Law Firm in Vietnam by Legal500, Asia Law, WTR, and Asia Business Law Journal. Based in both Hanoi and Ho Chi Minh City in Vietnam, the firm’s main purpose is to provide the most practical, efficient and lawful advice to its domestic and international clients. If we can be of assistance, please email to [email protected].
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