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HSN Code 31022910: Ammonium sulphonitrate

HSN 3102 29 10 is ammonium sulphonitrate, a tariff item of heading 3102 (mineral or chemical fertilisers, nitrogenous). GST: 5% / 18%. Basic customs duty: 7.5%. Export policy: Free.

Checked against the official files on 2 October 2026Heading 3102Chapter 31 · Fertilizers
GST rate5% / 18%

More than one entry reaches this code. The description of the goods decides the rate.

Notfn 9/2025-CT (Rate) · 2 entries
Basic customs duty7.5%

Standard rate, unit kg..

Customs Tariff · First Schedule · Ch. 31
Export policyFree

No export authorisation needed.

ITC(HS) 2022 · Schedule 2
RoDTEPNot listed

This code is not in Appendix 4R.

Appendix 4R · w.e.f. 10 Oct 2024
Classification

Where HSN 3102 29 10 Sits

Use the eight-digit code on the bill of entry, the shipping bill and, where your turnover requires it, on the GST invoice. The first four digits are the heading; the last four narrow it to this line.

Chapter
31 · Fertilizers
Heading
3102 · Mineral or chemical fertilisers, nitrogenous
Group
Other
Tariff item
3102 29 10 · Ammonium sulphonitrate
Unit
kg.
GST

GST Rate on HSN 3102 29 10

GST on goods is fixed by the entries of Notification No. 9/2025-Central Tax (Rate), in force from 22 September 2025 and amended up to 30 April 2026. The entries below are the ones that reach this code. Match the goods to the description in the entry before you invoice.

GST rateEntryCodes namedGoods covered by the entry
5%Schedule I, S. No. 2383102Mineral or chemical fertilisers, nitrogenous, other than those which are clearly not to be used as fertilizers
18%Schedule II, S. No. 393102Mineral or chemical fertilisers, nitrogenous, which are clearly not to be used as fertilizers
18%Schedule II, S. No. 639Any ChapterGoods which are not specified in Schedule I, III, IV, V, VI or VII (residual entry)

Goods that fall under no specific entry take the residual entry, unless they are exempt under the exemption notification issued with the rate notification.

Import

Customs Duty on HSN 3102 29 10

An import pays basic customs duty at the tariff rate, social welfare surcharge at 10% of that duty (unless exempted for the goods), and IGST at the GST rate on the value plus both duties.

Basic customs duty at
Social welfare surcharge, 10% of the duty
IGST at on value plus both
Total duty and tax
As a share of the value

Standard rates only: no exemption notification, anti-dumping or safeguard duty, or trade-agreement rate is applied, and the surcharge is taken at 10% although some goods are exempted from it. A registered importer takes credit of the IGST.

Export

Export Policy and RoDTEP for HSN 3102 29 10

Schedule 2 of ITC(HS) 2022 marks this tariff item Free. The code is not listed in Appendix 4R, so RoDTEP is not available on it.

Same heading

Other Codes Under HSN 3102

Tariff itemDescriptionBasic customs duty
3102 10 10Fertilizer grade, conforming to Standard IS 5406Urea, whether or not in aqueous solution10%
3102 10 90OtherUrea, whether or not in aqueous solution10%
3102 21 00Ammonium sulphate chap-5%
3102 29 10Ammonium sulphonitrateOther7.5%
3102 29 90OtherOther7.5%
3102 30 00Ammonium nitrate, whether or not in aqueous solution5%
3102 40 00Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances7.5%
3102 50 00Sodium nitrateFree
3102 60 00Double salts and mixtures of calcium nitrate and ammonium nitrate7.5%
3102 80 00Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution7.5%
3102 90 10Double salts or mixtures of calcium nitrate and magnesium nitrateOther, including mixtures not specified in the foregoing sub-headings7.5%
3102 90 90OtherOther, including mixtures not specified in the foregoing sub-headings7.5%
Not shown on this page
  • The item-wise import policy (Free, Restricted or Prohibited) of ITC(HS) Schedule 1.
  • Exemption notifications, anti-dumping and safeguard duties, and preferential rates under trade agreements. The duty shown is the tariff rate.
  • The GST exemption notification. Goods exempt under it pay no GST even if a rate entry names the code.

Official documents behind this page

  1. Notification No. 9/2025-Central Tax (Rate), 17 September 2025GST rate Schedules I to VI, in force from 22 September 2025, as amended by Notification No. 19/2025-Central Tax (Rate) of 31 December 2025 (Schedule VII omitted from 1 February 2026) and No. 01/2026 of 30 April 2026.
  2. Customs Tariff, First ScheduleCBIC Customs Tariff as on 30 June 2024, with the First Schedule amendments of the Finance (No. 2) Act, 2024, the Finance Act, 2025 and the Finance Act, 2026 applied.
  3. ITC(HS) 2022, Schedule 2, Export PolicyDGFT: the export policy and policy condition of each tariff item.
  4. Appendix 4R and Appendix 4RE, RoDTEP ScheduleDGFT, with effect from 10 October 2024 (Notification No. 32/2024-25); the 2026 changes are in Notifications 60, 66 and 74 of 2025-26 and 41 of 2026-27.

Disclaimer: This guide is general information based on the law and notifications in force when it was last updated. It is not professional advice for your case — rates, thresholds and due dates change, so check the current position with the official source before you act on it.

People also ask

Questions, answered

Short, direct answers to the 4 questions readers ask most on this topic.

HSN 3102 29 10 is the tariff item for ammonium sulphonitrate, under heading 3102 (Mineral or chemical fertilisers, nitrogenous) of Chapter 31.

The entries of Notification No. 9/2025-Central Tax (Rate) that reach this code give 5% / 18%. The rate depends on the description in the entry.

The basic customs duty in the Customs Tariff is 7.5%. Social welfare surcharge at 10% of the duty and IGST at the GST rate are added. An exemption notification or a trade agreement can reduce the duty actually payable.

No. The code is not listed in Appendix 4R.