Seamless tubes of polymers and copolymers of polystyrene

Seamless polystyrene plastic tubes, pipes and hoses

BIS QCO APPLICABLE · ISI MARK SCHEME

HSN 3917 29 20 (seamless tubes of polymers and copolymers of polystyrene) is covered by a Bureau of Indian Standards Quality Control Order. Conformity to the Indian Standard mapped in Schedule 1 of the controlling Quality Control Order is mandatory under the ISI Mark Scheme with effect from 15 October 2023, by virtue of G.S.R. 228(E). Central Board of Indirect Taxes and Customs mandatory additional-qualifier requirements for Chapter 39 declarations apply as a separate customs-clearance overlay.

What this is

HSN code

3917 29 20

Chapter

39 · Plastics and articles thereof

BIS QCO

Applicable · ISI Mark Scheme · CM/L required

Indian Standard

IS as mapped in Schedule 1 of the QCO · effective 15-10-2023

Applicable Partner Government Agencies

BISBIS·Bureau of Indian Standards

Procedural directions for customs clearance are issued by: Central Board of Indirect Taxes and Customs, Directorate General of Foreign Trade.

Compliance steps

1
Source only from a Bureau of Indian Standards CM/L-licensed manufacturer holding a current licence against the Indian Standard notified under the controlling Quality Control Order. Verify the supplier's CM/L number, licensed product scope, and licensed manufacturing facility on the BIS online register before placing the purchase order.
G.S.R. 228(E) dated 30-03-2021 · Scheme-I of Schedule-II of the BIS (Conformity Assessment) Regulations, 2018
2
Ensure every tube bears the ISI mark and the supplier's CM/L number under Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018. Marking must appear on the product itself, not on packaging alone.
Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018 · G.S.R. 228(E) dated 30-03-2021
3
Confirm the consignment meets the lead extraction limits specified in column (3) of the notification. Retain the manufacturer's test certificates evidencing conformity to lead extraction limits as part of the import documentation file.
Lead Stabilizer in Polyvinyl Chloride (PVC) Pipes and Fittings Rules, 2021 · G.S.R. 228(E) dated 30-03-2021 of MoEFCC
4
Ensure mandatory additional qualifiers for Chapter 39 commodities are declared in the import declaration with effect from 15 October 2023. Failure to include the qualifiers stipulated under paragraphs 4.1 and 4.2 triggers a mismatch error at the customs gateway.
CBIC Circular 23/2023-Cus dated 30-09-2023
5
If the consignment originates in Bangladesh, verify whether the goods fall within the port restrictions introduced under paragraph 19 of the general notes to the import policy. Goods outside the documented exemptions in paragraphs 2 and 3 are restricted to specified ports.
DGFT Notification 7/25-26 dated 17-05-2025 · General Notes to the ITC (HS) Import Policy, 2022

A word of counsel

The most common error on this tariff line is assuming the QCO scope mirrors only PVC pipes and fittings — the lead-stabilizer notification at G.S.R. 228(E) and its ISI Mark obligation are structured around PVC use-categories, yet the BIS QCO classification extends to polystyrene tube variants under HSN 3917 29 20. Importers who verify the BIS register only for PVC-coded CM/L licences will miss a scope mismatch if the specific IS mapped for polystyrene tubes is distinct. Confirm with the licensed manufacturer that the CM/L explicitly covers polystyrene copolymer tubes at the applicable dimension and application category before shipment.

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Frequently asked

Does HSN 3917 29 20 require BIS certification?

Yes. Seamless tubes of polymers and copolymers of polystyrene under this tariff line require conformity to the Indian Standard notified under the controlling Quality Control Order; import is permitted only from manufacturers holding a current BIS CM/L licence under the ISI Mark Scheme with effect from 15 October 2023.

Are mandatory additional qualifiers required in the import declaration for this HSN?

Yes. Central Board of Indirect Taxes and Customs Circular 23/2023-Cus requires mandatory additional qualifiers for all Chapter 39 commodity import declarations under paragraphs 4.1 and 4.2, with effect from 15 October 2023; non-compliant declarations are rejected at the gateway.

Do the lead extraction limits in G.S.R. 228(E) apply to polystyrene tubes as well as PVC?

The lead extraction limits in column (3) of the notification are specified for the QCO product scope; importers must retain test certificates demonstrating conformity to those limits as part of the import documentation regardless of polymer type.

Does a single CM/L licence cover all tube dimensions and application categories?

No. A CM/L licence is scope-specific by product specification, dimension range, use category, and manufacturing facility; tubes outside the licensed scope or from an unlicensed plant are not covered, and customs detains the consignment on a scope mismatch.

Last verified against gazette notifications: 2026-05-18. Source: BIS / DGFT / CBIC / Indian Customs CUSDATA.