L-tyrosine (p-hydroxyphenyl amine)

L-tyrosine amino-acid-phenol, organic chemical intermediate

CIB&RC CLEARANCE · NDPS CLEARANCE

HSN 2922 50 15 (L-tyrosine) is subject to dual primary regulation: where the substance appears in the Schedule to the Insecticides Act, 1968, the Central Insecticides Board and Registration Committee (CIB&RC) requires registration and an import permit under Rule 45 of the Insecticides Rules, 1971; and where classified as a narcotic drug or psychotropic substance, import requires a certificate under Rule 53 of the Narcotic Drugs and Psychotropic Substances (NDPS) Rules, 1985. Directorate General of Foreign Trade (DGFT) ITC (HS) policy condition no. 2 to Chapter 29 and Central Board of Indirect Taxes and Customs (CBIC) Circular 23/2023-Cus dated 30-09-2023 apply as additional clearance requirements.

What this is

HSN code

2922 50 15

Chapter

29 · Organic chemicals

Primary regulator

CIB&RC · Insecticides Act, 1968 read with Insecticides Rules, 1971

Customs documentation

Registration certificate from CIB&RC
Import permit from CIB&RC
Import certificate from NDPS

Applicable Partner Government Agencies

CIB&RCCIB&RC·Central Insecticides Board and Registration Committee

NDPSNDPS·Narcotics Control Bureau

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

Compliance steps

1
Determine whether L-tyrosine in the specific formulation or use-category falls within the Schedule to the Insecticides Act, 1968. If so, obtain registration and an import permit from the Secretariat of the Central Insecticides Board and Registration Committee, and route the consignment only through ports specified under Rule 45 of the Insecticides Rules, 1971.
Insecticides Act, 1968 · Rule 45 of the Insecticides Rules, 1971 · ITC (HS) policy condition 2 to Chapter 29
2
Where the substance is classifiable under the NDPS regime, import is permitted only for medical or scientific purposes under Chapter VII-A of the NDPS Rules, 1985; obtain the import certificate under Rule 53 of the NDPS Rules, 1985 before filing the bill of entry. Imports outside that category are governed by Appendix-I to the ITC (HS) Schedule.
Rule 53 of the NDPS Rules, 1985 · ITC (HS) policy condition 2 to Chapter 29
3
Upload all mandatory documents in e-Sanchit before out-of-charge: certificate of analysis — drug (0010dc), batch release certificate (0030dc), label of consignment (0110dc), registration certificate for drugs (101dc1), and import licence for drugs (9111dc). Additionally, include Chapter 29 mandatory qualifiers in the import declaration as stipulated in Para 4.1 and 4.2 of CBIC Circular 23/2023-Cus dated 30-09-2023, effective 15-10-2023.
CBIC Circular 23/2023-Cus dated 30-09-2023 · e-Sanchit document codes 0010dc, 0030dc, 0110dc, 101dc1, 9111dc

A word of counsel

The most frequent error on this tariff line is treating L-tyrosine as an unrestricted amino acid and omitting the dual-regime check against both the Insecticides Act Schedule and the NDPS Rules. Even where neither the pesticide nor the NDPS regime ultimately applies, CBIC Circular 23/2023-Cus requires mandatory Chapter 29 qualifiers in the import declaration from 15 October 2023 — absent qualifiers result in the bill of entry being held for amendment at the port, attracting demurrage and ground rent. Where quantities of hazardous substances exceed thresholds under S.O. 227(E) dated 24-03-1992, an insurance policy under the Public Liability Insurance Act, 1991 is also required.

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Frequently asked

Does HSN 2922 50 15 require BIS certification?

No, L-tyrosine is not covered by any BIS Quality Control Order. Import is governed by the Central Insecticides Board and Registration Committee under the Insecticides Act, 1968 and, where applicable, by the NDPS Rules, 1985 for narcotic or psychotropic classification, with DGFT ITC (HS) policy condition 2 to Chapter 29 as the policy overlay.

Which document codes must be uploaded in e-Sanchit at the bill of entry for this HSN?

Five documents are mandatory: certificate of analysis — drug (0010dc), batch release certificate (0030dc), label of consignment (0110dc), registration certificate for drugs (101dc1), and import licence for drugs (9111dc), all per the CCR requirements verified by the proper officer before out-of-charge.

When does the NDPS import certificate requirement apply, and what governs imports outside the medical or scientific category?

The import certificate under Rule 53 of the NDPS Rules, 1985 is required only for medical or scientific purposes under Chapter VII-A of those Rules; imports of the substance outside that category are governed by Appendix-I to the ITC (HS) Schedule, which may impose additional restrictions or prohibitions.

Last verified against gazette notifications: 2026-05-16. Source: CIB&RC / NDPS / DGFT / CBIC / Indian Customs CUSDATA.