Acid blue 93 (ink blue)

Acid blue 93 dye, ink blue acid dye

CBIC CLEARANCE

HSN 3204 12 51 (Acid blue 93, ink blue) is subject to mandatory additional qualifier declarations in the import entry 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 of commodities under Chapter 32 must furnish the stipulated qualifiers at paragraphs 4.1 and 4.2 of that circular on every bill of entry.

What this is

HSN code

3204 12 51

Chapter

32 · Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments, paints and varnishes

Primary regulator

CBIC · Mandatory qualifier declarations, Chapter 32 — CBIC Circular 23/2023-Cus

Customs documentation

Chapter 32 qualifiers from CBIC
Import declaration from CBIC

Compliance steps

1
Ensure the import declaration for Acid blue 93 includes all mandatory additional qualifiers prescribed under paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus. These qualifiers are compulsory for all commodities under Chapters 28, 29, 32, 39 and CTH 3808, effective 15 October 2023.
CBIC Circular 23/2023-Cus dated 30-09-2023, paras 4.1 and 4.2
2
Verify that the qualifier fields are correctly populated in the bill of entry before submission; incomplete or missing qualifiers may result in customs queries, consignment detention, and accrual of demurrage and ground rent pending rectification.
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 without the Chapter 32 mandatory qualifiers on the assumption that the obligation applies only to bulk chemicals in Chapters 28 and 29. CBIC Circular 23/2023-Cus explicitly extends the qualifier requirement to Chapter 32 commodities including synthetic organic colouring matter; omission triggers a customs query that suspends out-of-charge and exposes the consignment to detention, demurrage, and ground rent until a corrected declaration is accepted.

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Frequently asked

Does HSN 3204 12 51 require BIS certification?

No, acid dyes including Acid blue 93 are not within the BIS Quality Control Order regime. Import is governed by the Central Board of Indirect Taxes and Customs under CBIC Circular 23/2023-Cus, which mandates additional qualifier declarations for Chapter 32 commodities with effect from 15 October 2023.

What specific qualifiers are required under CBIC Circular 23/2023-Cus for this tariff line?

The qualifiers are prescribed in paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus dated 30-09-2023; importers should refer to the circular directly to confirm the exact fields required for Chapter 32 synthetic organic colouring matter.

Does the qualifier obligation under CBIC Circular 23/2023-Cus apply to all import origins and trade modes?

Yes. The circular applies to import declarations across all origins and transport modes for commodities falling under Chapters 28, 29, 32, 39 and CTH 3808, with no country-of-origin or mode-of-transport exemption stated in the circular.

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