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The Directorate General of Trade Remedies has opened an anti-circumvention investigation concerning Chlorinated Polyvinyl Chloride (CPVC) Resin, whether or not further processed into a compound.
The notification was issued on 16 September 2026 under F. No. 7/29/2026-DGTR, with SETU Case ID AD/AC/006/2026. The case concerns allegations that the existing anti-dumping duty on CPVC Resin originating in or exported from China PR and Korea RP is being circumvented through certain exports from Malaysia, Japan and Thailand. 276536
There is one point importers should understand from the beginning: DGTR has started an investigation; it has not yet finally decided that circumvention has taken place.
The scope is also narrower than the country names may suggest. The present investigation is linked to three specifically named exporters. It does not automatically cover every producer or exporter of CPVC Resin from Malaysia, Japan or Thailand. 276536
For businesses importing CPVC Resin, the immediate task is to check the product, supplier, exporter, origin, country of export, and the procedural requirements under the DGTR investigation.
| Particular | Details |
| Issuing authority | Directorate General of Trade Remedies |
| Ministry | Ministry of Commerce and Industry |
| Department | Department of Commerce |
| Document type | Initiation Notification |
| Notification date | 16 September 2026 |
| File number | F. No. 7/29/2026-DGTR |
| SETU Case ID | AD/AC/006/2026 |
| Product | CPVC Resin, whether or not further processed into compound |
| Original ADD countries | China PR and Korea RP |
| Countries involved in alleged circumvention | Malaysia, Japan and Thailand |
| Named exporters | Sasia Chlorine Polymers Sdn. Bhd.; EBC Corporation; Sekisui Specialty Chemicals (Thailand) Co. Ltd. |
| Relevant tariff items | 3904 90 10 and 3904 90 90 |
| Period of Investigation | 1 April 2025 to 31 March 2026 |
| Injury period | 2022-23, 2023-24, 2024-25 and POI |
| Filing platform | SETU Portal |
The Gazette makes it clear that DGTR has initiated the proceeding to examine the existence and effect of the alleged circumvention. 276536
An anti-circumvention investigation starts when an anti-dumping duty is already in place, and there is an allegation that the effect of that duty is being weakened through another trade arrangement or route.
That is different from an original anti-dumping case.
In an original anti-dumping investigation, the authority looks at whether a product is being exported to India at dumped prices and whether that is causing injury to the domestic industry.
An anti-circumvention investigation asks a different question:
Is the existing anti-dumping measure being undermined through a change in trade pattern, third-country route or another arrangement covered by the anti-circumvention provisions?
In this CPVC case, the allegation relates to exports through Malaysia, Japan and Thailand while the existing anti-dumping measure concerns CPVC Resin originating in or exported from China PR and Korea RP. 276536
DGTR has not yet answered that question finally. It has only found enough prima facie material to investigate it further.
The 2026 proceeding is easier to understand when seen together with the earlier CPVC anti-dumping case.
Regulatory Timeline
| Date | Development |
| 28 March 2019 | Original anti-dumping investigation initiated |
| 12 July 2019 | Preliminary findings issued |
| 26 August 2019 | Provisional ADD imposed through Notification No. 33/2019-Customs (ADD) |
| 19 February 2020 | Final findings issued |
| 7 March 2020 | Definitive ADD imposed through Notification No. 05/2020-Customs (ADD) |
| 29 December 2023 | Sunset review investigation initiated |
| 25 May 2024 | Sunset review final findings issued |
| 23 August 2024 | Existing ADD continued through Notification No. 15/2024-Customs (ADD) |
| 16 September 2026 | Present anti-circumvention investigation initiated |
The original case covered CPVC Resin originating in or exported from China PR and Korea RP.
After the initial anti-dumping duty had been in force for several years, DGTR carried out a sunset review. Following that review, the Central Government continued the measure through Notification No. 15/2024-Customs (ADD) dated 23 August 2024. 276536
The 2026 proceeding does not start the CPVC anti-dumping regime again from zero. Instead, it examines whether that existing measure is allegedly being circumvented through specified exports from three other countries.
The current case revolves around the anti-dumping measure continued in 2024.
DGTR records that the existing measure recommended in the sunset review and continued by the Central Government through Notification No. 15/2024-Customs (ADD), dated 23 August 2024, is the measure allegedly being circumvented. 276536
The applicants have asked DGTR to examine whether the duty should be extended to the Product Under Investigation exported by the identified exporters in Malaysia, Japan and Thailand.
That request is under investigation.
It should therefore not be described as an already completed extension of duty.
Customs Tariff Act, 1975
The proceeding is being conducted within the legal framework of the Customs Tariff Act, 1975.
The notification specifically refers to Section 9A(1A).
Section 9A(1A)
Section 9A(1A) forms part of the legal basis used for examining the alleged circumvention of an anti-dumping measure.
Anti-Dumping Rules, 1995
The notification also relies on the:
Customs Tariff (Identification, Assessment and Collection of Anti-Dumping Duty on Dumped Articles and for Determination of Injury) Rules, 1995.
The authority specifically refers to Rules 25 and 26.
DGTR states that the investigation has been initiated under Section 9A(1A) read with Rules 25 and 26. 276536
For businesses, the important takeaway is simple: this is a formal trade-remedy investigation conducted under the anti-dumping framework. It is not an advisory or informal review.
DGTR's decision to start the case is based on the application filed by the domestic industry and the prima facie material placed before the authority.
The reasons need to be read carefully because some are applicant allegations, while others relate to DGTR's decision that an investigation should begin.
Allegations Made by the Applicants
According to the application:
These are allegations placed before DGTR. They should not be written as facts.
What DGTR Noted at the Initiation Stage
Based on the prima facie material, DGTR recorded that there appeared to be a change in the pattern of trade, with imports of the Product Under Investigation from Japan, Malaysia and Thailand increasing to a significant level without sufficient cause or economic justification.
The authority also noted that the existing remedial effect of the anti-dumping measure on CPVC imports from China PR may be getting undermined. 276536
That was enough to justify further investigation.
It was not a final determination against the exporters.
What Is the Product Under Consideration?
The Product Under Consideration, commonly referred to as the PUC, is:
Chlorinated Polyvinyl Chloride (CPVC) Resin – whether or not further processed into a compound.
The definition is the same as the product definition used in the original anti-dumping investigation. 276536
CPVC Resin is used in several piping and plumbing applications.
The notification refers to uses such as:
This explains why the investigation can matter to more than importers alone. Pipe manufacturers, plumbing-product manufacturers, distributors, and industrial users may also need to follow the proceedings.
The Product Under Investigation, or PUI, is the CPVC Resin involved in the specified exports being examined in the present case.
DGTR identifies exports by:
The distinction between PUC and PUI can sound technical, but the practical meaning is straightforward.
The PUC is the product covered by the original anti-dumping framework.
The PUI is the product/export flow now being examined for alleged circumvention.
| Point | Product Under Consideration | Product Under Investigation |
| Short form | PUC | PUI |
| Product | CPVC Resin | CPVC Resin |
| Purpose | Defines goods covered by the original ADD framework | Defines goods/export flows examined in the current anti-circumvention case. |
| Main countries | China PR and Korea RP | Malaysia, Japan and Thailand |
| Exporter focus | Original trade-remedy case | Three specified exporters |
| Present legal issue | Existing ADD | Alleged circumvention |
The words PUC and PUI do not mean DGTR is dealing with two completely different chemical products.
The distinction exists because the authority is looking at the original product as well as the export flows now alleged to be circumventing the existing measure.
The notification refers to the Product Under Investigation under:
These tariff items are relevant for import classification.
However, one sentence in the notification is especially important for importers:
Customs classification is indicative only and is not binding on the scope of the investigation. 276536
In simple words, an importer should not conclude that a shipment is covered or outside the scope just because of the HS code being used.
The product description remains important.
Import classification is important, but this case cannot be assessed through the tariff code alone.
A proper review should normally look at the full transaction, including:
Product Details
Supply-Chain Details
Customs Details
These are sensible compliance checks for businesses. They should not be misunderstood as separate new legal obligations created by the initiation notification.
For an importer that is unclear about scope, this is the type of issue that can be examined through specialised import compliance services and customs classification review.
One of the most important parts of the notification is the exporter-specific scope.
| Country | Exporter Named by DGTR | Present Investigation |
| Malaysia | Sasia Chlorine Polymers Sdn. Bhd. | Covered |
| Japan | EBC Corporation | Covered |
| Thailand | Sekisui Specialty Chemicals (Thailand) Co. Ltd. | Covered |
DGTR expressly states that the investigation is limited to the Product Under Investigation exported to India by these three entities. 276536
This point should be checked before any importer assumes that the case applies to its supplier.
The notification does not say that all CPVC Resin exporters from Malaysia, Japan and Thailand are under investigation.
In fact, DGTR expressly states that the investigation does not extend to exports of the Product Under Consideration from those countries by other producers or exporters. 276536
This difference is commercially important.
An importer may be buying CPVC Resin from Malaysia, but that alone does not establish that this proceeding covers the supplier.
The correct questions are:
The applicants have identified trade patterns that they say should be investigated.
Again, these are allegations. DGTR will examine them during the proceedings.
China to Malaysia to India
The application alleges that CPVC Resin from China is exported to Malaysia and then exported to India as CPVC Resin.
China to Japan to India
The application makes a similar allegation for CPVC Resin moving from China to Japan before being exported to India.
The Gazette records the allegation concerning exports of CPVC Resin from China to Malaysia and Japan and subsequent exports to India. 276536
China to Thailand to India
For Thailand, the application alleges that CPVC in resin or compound form is exported from China to Thailand and is then exported by Sekisui Specialty Chemicals (Thailand) Co. Ltd. 276536
DGTR has opened the investigation to test these claims against evidence.
No.
This distinction is central to the entire update.
DGTR has stated that there is sufficient prima facie evidence to start an investigation. A prima facie view is enough to open a case, but it is not the same as a final finding after examining all relevant evidence.
During the investigation, the authority may receive:
The Gazette itself says that the investigation is being initiated to determine the existence and effect of the alleged circumvention. 276536
Until that process is completed, it would be wrong to describe the allegation as a final finding.
The 16 September 2026 Gazette is an initiation notification.
It does not, by itself, mean that anti-dumping duty has already been finally extended to every CPVC shipment from Malaysia, Japan and Thailand.
Businesses should separate four different stages:
The outcome should not be assumed at the initiation stage.
The anti-circumvention application was filed by:
There is an important factual distinction among these applicants.
DGTR records that:
On the basis of the information available on record, the authority states that the application was made by or on behalf of the domestic industry in terms of Rule 2(b) read with Rule 26(1). 276536
The notification separately identifies the Period of Investigation and the injury period.
| Period | Coverage |
| Period of Investigation | 1 April 2025 to 31 March 2026 |
| Length of POI | 12 months |
| Injury period | 2022-23 |
| Injury period | 2023-24 |
| Injury period | 2024-25 |
| Injury period | POI |
DGTR has fixed the POI from 1 April 2025 to 31 March 2026. 276536
For importers and exporters, the POI is particularly relevant because transactions during that period may form part of the authority's examination.
The Gazette refers to several groups that may be directly connected with the proceeding.
These include:
DGTR states that known producers/exporters, the governments concerned, importers, and users are being informed so they can submit relevant information within the prescribed period. 276536
A party that wants to participate should not assume that an email to DGTR is sufficient.
The notification prescribes the SETU Portal as the filing channel.
The filing process is one of the more practical parts of the notification.
Step 1: Register on the SETU Portal
Interested parties are required to register themselves on the SETU Portal.
Step 2: Use the Correct Investigation Details
Submissions should be linked with the correct registered name and:
SETU Case ID: AD/AC/006/2026
Step 3: State the Nature of Interest
The party should identify how it is connected with the investigation.
For example, it may participate as an exporter, importer, or user, depending on its actual role.
Step 4: Prepare the Questionnaire Response or Submission
Responses must follow the format and requirements applicable to the proceeding.
Step 5: File Narrative Material in Searchable Format
Narrative submissions should be filed in:
Step 6: File Data in Excel
Data files should be submitted in MS Excel with properly linked calculations.
Step 7: File Through SETU
DGTR states that information, questionnaires, and submissions must be filed through SETU within the applicable timeline.
The authority may not consider material sent by email or through another mode. 276536
A technically correct argument can still create problems if the filing itself is defective.
Businesses participating in the case should therefore pay attention to both content and format.
Basic Filing Controls
Check:
These are not minor presentation issues. The notification contains specific instructions on how submissions are to be filed.
The notification provides 37 days for questionnaire responses and submissions.
However, it would be incorrect to count 37 days from 16 September 2026 simply.
DGTR states that the confidential version and non-confidential version must be uploaded within 37 days from the date on which the notice calling for information is sent by the authority or transmitted to the appropriate diplomatic representatives, in terms of Rule 6(4) read with Rule 26(5). 276536
That trigger matters.
Businesses should therefore confirm the actual applicable date rather than relying on the Gazette date alone.
Where information is not received within the prescribed period, or the information received is incomplete, DGTR may proceed on the basis of facts available on record. 276536
If an interested party requires more time, the notification sets a clear procedural condition.
An extension request must be submitted through the SETU Portal at least three days before the original deadline.
DGTR states that requests filed after this point will not be considered. 276536
That makes early preparation useful, especially where a questionnaire requires commercial, production, sales, or transaction data from different internal teams.
Confidentiality is another area where the notification goes into considerable detail.
A party cannot simply mark the whole response “confidential” and assume that is enough.
Confidential Version
The confidential version can contain information that is confidential by nature or material for which the submitting party makes a confidentiality claim.
The party is expected to explain why the information cannot be disclosed.
Non-Confidential Version
A non-confidential version has to be filed alongside the confidential version.
The NCV should broadly follow the confidential version while removing or indexing confidential information in an appropriate manner.
The notification requires confidential information to be appropriately summarised so that another interested party can reasonably understand the substance of what has been submitted. 276536
Good Cause Statement
If information is claimed as confidential, the submitting party should provide a proper reason explaining why disclosure is not possible.
A bare confidentiality claim may not be enough.
Marking Every Page
The Gazette requires each submission page to be clearly marked:
A submission without such marking may be treated as non-confidential. 276536
Index for Annexures
Where the filing contains several parts or annexures, an index should list them.
Page Numbering
Every page should be properly numbered.
Translation
If an original document is in a language other than English or Hindi, the interested party should provide a true translation into English or Hindi along with the original document. 276536
The notification provides real procedural consequences for defective confidentiality claims.
DGTR may:
The Gazette states that a submission without a meaningful non-confidential version or sufficient justification under Rule 7 and the relevant trade notices may not be taken on record. 276536
That makes document preparation especially important for exporters and importers handling commercially sensitive data.
Interested parties can also comment on confidentiality claims made by other participants.
The notification provides a period of seven days from circulation of the non-confidential version of the documents for such comments. 276536
For participating businesses, this means the case is not only about filing their own information. They may also need to review the non-confidential submissions made by others.
DGTR states that the non-confidential versions of submissions will be accessible to other interested parties through their respective logins on the SETU Portal. 276536
That is why a non-confidential version should not be treated as a blank or heavily redacted document with no useful substance.
The NCV must protect legitimate confidential information while still giving other participants a reasonable understanding of the filing.
The notification also explains what can happen if a party does not cooperate with the investigation.
A party may be treated as non-cooperative where it:
In such circumstances, DGTR may record findings on the basis of facts available and make recommendations to the Central Government as it considers appropriate. 276536
This is not described in the notification as a monetary penalty. The main risk is that the authority may proceed without the party's complete information.
Indian importers should avoid treating this as a purely exporter-side investigation.
An importer may hold useful transaction records and may also have a direct commercial interest in the outcome.
A practical internal review can start with four areas.
1. Supplier and Exporter Review
Confirm:
relationship between supplier and exporter
2. Origin and Export Route
Check:
3. Product Scope
Review:
4. Import History
Review transactions falling within the POI:
1 April 2025 to 31 March 2026
Where the importer has dealt with one of the named exporters, it may be useful to assess whether participation in the investigation is appropriate.
These are practical internal controls. They are not all separate statutory duties created by the notification.
An importer sourcing directly or indirectly from one of the three named exporters has a clearer reason to review the investigation.
The named exporters are:
Importers connected with these suppliers may consider reviewing:
Commercial Documents
Customs Documents
Transaction Data
Investigation Participation
Where the importer considers the case commercially relevant, it may assess whether it should register as an interested party and submit relevant information.
None of this should be read as a finding that the named exporter has committed circumvention. That is the issue DGTR is investigating.
This part of the notification is particularly important for avoiding unnecessary alarm.
The present case does not extend to all exporters from the three countries.
DGTR expressly states that exports by other producers/exporters from Malaysia, Japan or Thailand are outside the present investigation scope as framed in the initiation notification. 276536
An importer sourcing from another supplier should therefore verify the actual exporter rather than treating the country alone as the determining factor.
At the same time, accurate product and origin records remain sensible internal compliance controls.
For foreign producers/exporters directly connected with the case, the investigation may require substantial data work.
Depending on the questionnaire and subsequent directions, preparation may involve:
The filing timeline also matters.
A delayed or incomplete response may leave the authority relying on the material otherwise available on record.
For exporters dealing with complex datasets, early coordination between finance, sales, legal, customs and trade-remedy teams may reduce last-minute filing errors.
Downstream users are not necessarily the main subject of the investigation, but they may still have a commercial interest in the outcome.
Relevant users can include:
The final commercial effect cannot be known at the initiation stage.
It would therefore be speculative to say that CPVC prices will definitely increase or that supply will necessarily tighten.
What downstream users can do is understand their supply chain and follow the investigation where imported material forms an important part of procurement.
These two terms are often used as if they mean the same thing. They do not.
Country of Origin
This generally refers to the country from which the goods legally originate.
Country of Export
This is the country from which the goods are exported to India.
In a case involving alleged third-country circumvention, this distinction becomes especially relevant.
A shipment may physically arrive from one country while questions remain about where the product originated and who produced or exported it.
That is why an importer reviewing this case should look at the whole supply chain rather than only the port of shipment.
A practical internal checklist may look like this:
| Check | What to Review |
| Product | Exact commercial and technical description |
| PUC/PUI relevance | Whether the imported material matches the notified CPVC description |
| HS code | Eight-digit tariff classification |
| Producer | Actual manufacturer of the goods |
| Exporter | Entity exporting the goods to India |
| Origin | Country of origin |
| Export country | Country from which goods were exported |
| Named exporter | Whether supplier/exporter appears in the notification |
| POI imports | Transactions from 1 April 2025 to 31 March 2026 |
| Documentation | Invoice, Bill of Entry, contracts and origin records |
| Participation | Whether interested-party registration should be considered |
| Monitoring | DGTR and SETU updates |
For businesses that need help reading the product scope or examining transaction-level exposure, professional import compliance services may be useful.
An investigation has started. Circumvention has not yet been finally established.
The current scope is limited to named exporters.
The notification itself says customs classification is indicative.
Scope analysis should begin with the goods themselves.
The present allegation involves third-country trade flows, making this distinction particularly relevant.
The notification directs parties to use SETU.
The 37 days must be calculated using the trigger stated in the notification.
A confidentiality claim should be accompanied by the required non-confidential treatment and justification.
Questionnaires, hearing notices, disclosure and other procedural developments may be issued later.
| Requirement | Period | Practical Point |
| Questionnaire responses/submissions | 37 days | Based on the trigger specified in the notification |
| Extension request | At least 3 days before original deadline | Must be filed through SETU |
| Comments on confidentiality claims | 7 days | Counted from circulation of NCV |
| POI | 1 April 2025 to 31 March 2026 | Relevant investigation period |
The notification should be read carefully before calculating a calendar filing date.
The initiation notification itself gives an indication of the procedural developments that parties should watch for.
DGTR asks interested parties to monitor its website and SETU for updates relating to:
The sequence and timing of these steps may depend on how the investigation develops.
The final outcome should not be predicted from the initiation notification.
Priority 1: Check Whether the Product Is Relevant
Begin with the actual CPVC product description.
Do not stop at the HS code.
Priority 2: Verify the Exporter
Compare the exporter on commercial and customs records with the three exporters named by DGTR.
Priority 3: Check Origin and Export Country
Review both rather than using them interchangeably.
Priority 4: Identify POI Transactions
Pull import data for 1 April 2025 to 31 March 2026.
Priority 5: Decide Whether Participation Is Needed
Importers, exporters and users with a direct interest may need to consider participation.
Priority 6: Organise the Data Early
Where a questionnaire response is required, collect relevant data before the deadline becomes close.
Priority 7: Prepare CV and NCV Carefully
Commercially sensitive information should be handled in line with DGTR's confidentiality instructions.
Priority 8: Keep Watching SETU
Later notices can affect filing requirements and procedural steps.
Trade-remedy cases are different from routine import documentation. An importer may have a correct IEC, invoice, and Bill of Entry and still need a separate review of product scope, anti-dumping exposure, or DGTR procedure.
Corpseed can support businesses through relevant import compliance services linked to the CPVC investigation.
1. Product Applicability Review
Corpseed can help review:
This can help a business understand whether the notification is directly relevant to its imports.
2. Import Compliance Review
A wider import review can cover:
This is useful where several shipments or suppliers need to be checked.
3. Anti-Dumping Duty Compliance Support
Corpseed can assist businesses in understanding how the existing anti-dumping framework relates to their imported product and supplier chain.
The review can focus on factual applicability rather than assuming that every CPVC import is treated the same way.
4. DGTR Investigation Support
Where a business participates in the investigation, Corpseed can support the organisation of:
5. SETU Filing Assistance
The notification makes SETU the prescribed filing route.
Support can include:
6. Confidential and Non-Confidential Filing Support
CV and NCV preparation can be document-heavy.
Corpseed can assist businesses in arranging:
7. Customs Classification Review
As tariff headings 3904 90 10 and 3904 90 90 are mentioned in the notification, firms might also need to have their products reviewed for classification.
The review needs to consider the description of the product anyway, as DGTR has noted that classification is only indicative.
8. Ongoing Regulatory Review
The investigation can be continued in future procedural notices and conclusions.
Corpseed can support businesses in tracking DGTR and related trade-remedy developments that may affect their imports.
Businesses importing CPVC Resin, especially those dealing with the exporters named in the case, can seek Corpseed's import compliance services, anti-dumping duty compliance support, and DGTR filing assistance for a transaction-specific review.
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