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HomeHSNChapter 29HSN 2933 39 13

Gamma picoline (4-methyl pyridine)

Gamma picoline, 4-methyl pyridine, organic nitrogen heterocycle

BIS QCO APPLICABLE · ISI MARK SCHEME · IS 16113 · CIB&RC OVERLAY · NDPS OVERLAY

HSN 2933 39 13 (gamma picoline, 4-methyl pyridine) is covered by a Bureau of Indian Standards Quality Control Order. Conformity to IS 16113:2013 (reaffirmed 2018) is mandatory under the ISI Mark Scheme with effect from 13 March 2024, by virtue of the Gamma Picoline (Quality Control) Order, 2020. Narcotic Drugs and Psychotropic Substances controls and Central Insecticides Board and Registration Committee registration apply as separate regulatory overlays depending on end-use classification.

What this is
HSN code
2933 39 13
Chapter
29 · Organic chemicals
BIS QCO
Applicable · ISI Mark Scheme · CM/L required
Indian Standard
IS 16113:2013 · effective 13-03-2024
Applicable Partner Government Agencies
BISBIS·Bureau of Indian Standards
CIB&RCCIB&RC·Central Insecticides Board and Registration Committee
NDPSNDPS·Narcotics Control Bureau

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

Compliance steps
  1. 1
    Source only from a Bureau of Indian Standards CM/L-licensed manufacturer holding a current licence against IS 16113:2013 (reaffirmed 2018) for gamma picoline. Verify the supplier's CM/L number, licensed product scope, and manufacturing facility on the BIS online register before placing the purchase order.
    Gamma Picoline (Quality Control) Order, 2020 · S.O. 1891(E) dated 16-06-2020 as amended by S.O. 3296(E) dated 21-07-2023
  2. 2
    Ensure every consignment bears the ISI standard mark and the supplier's CM/L number under Scheme-I of Schedule-II to the BIS (Conformity Assessment) Regulations, 2018. The mark must appear on the product or its immediate container, not on outer packaging alone.
    Scheme-I of Schedule-II of the BIS (Conformity Assessment) Regulations, 2018 · Gamma Picoline (Quality Control) Order, 2020 · S.O. 1891(E) dated 16-06-2020
  3. 3
    If the gamma picoline is being imported for medical or scientific purposes under NDPS controls, obtain an import certificate under Rule 53 of the NDPS Rules, 1985 prior to shipment. Imports outside that category are governed by Appendix-I to the ITC HS Schedule per ITC HS policy condition 2 to Chapter 29.
    Chapter VII-A of the NDPS Rules, 1985 · Rule 53 of the NDPS Rules, 1985 · ITC HS policy condition 2 to Chapter 29
  4. 4
    If the product falls within the Schedule to the Insecticides Act, 1968, obtain registration and a permit from the secretariat of the Central Insecticides Board and Registration Committee before import. Verify permitted ports of import per Rule 45 of the Insecticides Rules, 1971.
    Insecticides Act, 1968 · Rule 45 of the Insecticides Rules, 1971
  5. 5
    File mandatory additional qualifiers in the import declaration as required for Chapter 29 commodities, and quote the supplier's BIS CM/L number on the bill of entry. Customs verifies the CM/L in real time; an absent, expired, or scope-mismatched licence triggers consignment detention.
    CBIC Circular 23/2023-CUS dated 30-09-2023 · BIS Act, 2016 · Customs Act, 1962
A word of counsel

The single most common error on this tariff line is assuming that a valid NDPS import certificate or CIB&RC permit satisfies the entirety of the import obligation, when the BIS QCO under IS 16113:2013 imposes an independent and concurrent CM/L licensing requirement. A consignment that clears NDPS and insecticide-registration scrutiny but arrives without an ISI-marked product from a CM/L-licensed manufacturer will be detained under the Gamma Picoline (Quality Control) Order, 2020, with no NDPS or pesticide-permit carve-out available to the importer.

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Frequently asked
Does HSN 2933 39 13 require BIS certification?
Yes. Conformity to IS 16113:2013 (reaffirmed 2018) is mandatory under the ISI Mark Scheme with effect from 13 March 2024 under the Gamma Picoline (Quality Control) Order, 2020; import is permitted only from manufacturers holding a current BIS CM/L licence.
Does NDPS regulation replace the BIS QCO obligation for gamma picoline?
No. NDPS controls and the BIS QCO under IS 16113:2013 are independent regimes; both must be satisfied concurrently. An NDPS import certificate under Rule 53 of the NDPS Rules, 1985 does not substitute for a CM/L licence or the ISI mark.
When is CIB&RC registration required for this HSN?
CIB&RC registration and a permit from the Central Insecticides Board and Registration Committee are required only if the specific product falls within the Schedule to the Insecticides Act, 1968. Importers must also confirm permitted ports under Rule 45 of the Insecticides Rules, 1971.
Is a CM/L licence facility-specific and model-specific for gamma picoline?
Yes. A CM/L licence is granted for a specific manufacturing facility and product specification under IS 16113:2013; gamma picoline produced at a different plant or to a different specification is not covered by the same licence.
Last verified against gazette notifications: 2026-05-18. Source: BIS / CIB&RC / NDPS / DGFT / CBIC / Indian Customs CUSDATA.
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