Perchlorates

Perchlorates, chlorates and perchlorate salts

CBIC CLEARANCE

HSN 2829 90 10 (Perchlorates) is subject to mandatory additional qualifier declarations in import filings administered by the Central Board of Indirect Taxes and Customs (CBIC) under CBIC Circular 23/2023-Cus dated 30-09-2023. With effect from 15 October 2023, importers must furnish the chemical qualifiers specified in Paragraphs 4.1 and 4.2 of that Circular for all commodities under Chapter 28 at the bill-of-entry stage.

What this is

HSN code

2829 90 10

Chapter

28 · Inorganic chemicals; organic or inorganic compounds of precious metals

Primary regulator

CBIC · CBIC Circular 23/2023-Cus, Chapter 28 mandatory qualifiers

Customs documentation

Chapter 28 qualifiers from CBIC
Import declaration from CBIC

Compliance steps

1
Populate the mandatory additional qualifiers for Chapter 28 commodities in the import declaration at the bill-of-entry stage. The qualifiers are prescribed in Paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus and are operative with effect from 15 October 2023.
CBIC Circular 23/2023-Cus dated 30-09-2023, Paragraphs 4.1 and 4.2
2
Confirm that the bill-of-entry filing system captures the specific chemical-identity qualifiers required for perchlorates under Chapter 28 before submission to customs. Incomplete or absent qualifier fields will result in the declaration being held for correction, causing consignment detention and accumulating demurrage.
CBIC Circular 23/2023-Cus dated 30-09-2023

A word of counsel

The most common error on this tariff line is filing the bill of entry with generic chemical descriptions and omitting the Chapter 28 qualifier fields introduced by CBIC Circular 23/2023-Cus. The qualifier obligation applies to all Chapter 28 declarations without exception for perchlorates, and the system-level validation rejects incomplete entries — resulting in detention, ground rent, and potential demurrage while the declaration is corrected. Verify that the customs broker's filing template has been updated to include Paragraphs 4.1 and 4.2 fields before the consignment arrives at port.

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Frequently asked

Does HSN 2829 90 10 require BIS certification?

No, perchlorates under this tariff line are not covered by any BIS Quality Control Order. Import compliance is governed by CBIC Circular 23/2023-Cus, which mandates additional chemical qualifiers in the import declaration for all Chapter 28 commodities with effect from 15 October 2023.

What specific qualifiers must be declared for perchlorates under CBIC Circular 23/2023-Cus?

The qualifier requirements for Chapter 28 commodities are set out in Paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus dated 30-09-2023; importers should refer directly to those paragraphs and ensure their customs broker's system has captured each prescribed field.

From which date is the Chapter 28 qualifier obligation mandatory?

The obligation to furnish mandatory additional qualifiers for Chapter 28 import declarations is operative with effect from 15 October 2023, per CBIC Circular 23/2023-Cus dated 30-09-2023.

Last verified against gazette notifications: 2026-05-16. Source: CBIC / Indian Customs CUSDATA.