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Sodium hydrogen sulphate (acid sulphate)

Sodium hydrogen sulphate, acid sulphate

CBIC CLEARANCE

HSN 2833 19 10 (Sodium hydrogen sulphate) is subject to mandatory additional qualifiers in import declarations administered by the Central Board of Indirect Taxes and Customs (CBIC) under CBIC Circular 23/2023-Cus dated 30-09-2023. The qualifier requirement applies to all commodities under Chapter 28 with effect from 15 October 2023, and non-compliant declarations are liable to detention at the bill-of-entry stage.

What this is
HSN code
2833 19 10
Chapter
28 · Inorganic chemicals; organic or inorganic compounds of precious metals
Primary regulator
CBIC · CBIC Circular 23/2023-Cus dated 30-09-2023 (Chapter 28 mandatory qualifiers)
Customs documentation
  • Chapter 28 qualifiers from CBIC
  • Import declaration from CBIC
Compliance steps
  1. 1
    Ensure the import declaration for sodium hydrogen sulphate includes all mandatory additional qualifiers stipulated in paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus. The qualifier obligation applies to all Chapter 28 commodities with effect from 15 October 2023 and must be fulfilled at the bill-of-entry stage.
    CBIC Circular 23/2023-Cus dated 30-09-2023, Para 4.1 and 4.2
  2. 2
    Verify that the import declaration is complete and accurate before filing; an incomplete or missing qualifier entry causes the bill of entry to be flagged by the customs system, resulting in consignment detention and accrual of demurrage and ground rent.
    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 the standard commodity description but omitting the mandatory Chapter 28 qualifiers required under paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus. Qualifier fields are not self-populating in most ERP or customs-broker software configured before October 2023; confirm with your customs broker that the declaration template has been updated, as the omission is caught at the system-validation stage and results in detention rather than a post-clearance correction.

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Frequently asked
Does HSN 2833 19 10 require BIS certification?
No, no BIS Quality Control Order covers sodium hydrogen sulphate. Import is governed by CBIC Circular 23/2023-Cus, which mandates additional qualifiers in import declarations for all Chapter 28 commodities with effect from 15 October 2023.
What specific qualifiers are required for Chapter 28 commodities under CBIC Circular 23/2023-Cus?
The qualifiers are stipulated in paragraphs 4.1 and 4.2 of CBIC Circular 23/2023-Cus dated 30-09-2023; the exact fields must be confirmed against the current CBIC tariff declaration format for Chapter 28.
From what date is the mandatory qualifier requirement operative for this HSN?
The mandatory additional qualifier requirement for Chapter 28 commodities, including HSN 2833 19 10, applies with effect from 15 October 2023 per CBIC Circular 23/2023-Cus.
Last verified against gazette notifications: 2026-05-16. Source: CBIC / Indian Customs CUSDATA.
Related
ChapterChapter 28 · Inorganic chemicals; organic or inorganic compounds of precious metalsIndustryChemicals industryHSNSULPHATES; ALUMS; PEROXOSULPHATES (PERSULPHA-TES)