2521 HSN Code: Limestone & calcareous stones

HSN Sub Chapter 2521 represents Limestone & calcareous stones under GST classification. This code helps businesses identify Limestone & calcareous stones correctly for billing, taxation, and trade. With HSN Sub Chapter 2521, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Limestone & calcareous stones.

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Chapter No	HSN Code	HSN Description	New GST Rate	Old GST Rate
25	2521	Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement	28%	28%

HSN Code 2521

Chapter: 25

Description: Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement

New GST Rate: 28% Old GST Rate: 28%

Tariff HSN	Description
25210010	Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement: Limestone flux (L.D., below 1% SiO2)
25210090	Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement: Other

HSN Code 25210010

Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement: Limestone flux (L.D., below 1% SiO2)

HSN Code 25210090

Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement: Other

Wrong HSN codes causing GST errors? BUSY auto-applies the correct code & rate on desktop and mobile.

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Phone Number*

Country code

Order Number	Description
2/2018	Maheshwari Stone Supplying Co. (AAR (Authority For Advance Ruling), Telangana)
AAAR/01/2018 (A.R.)	Maheshwari Stone Supplying Company (AAAR (Appellate Authority For Advance Ruling), Telangana)

Order No. 2/2018

Maheshwari Stone Supplying Co. (AAR (Authority For Advance Ruling), Telangana)

Order No. AAAR/01/2018 (A.R.)

Maheshwari Stone Supplying Company (AAAR (Appellate Authority For Advance Ruling), Telangana)

What products are classified under HSN 2521

It includes Limestone & calcareous stones

If I repair and return Limestone & calcareous stones, how should I charge GST?

Repair/service is a service supply (SAC). Parts and materials used are goods and may be billed separately with HSN. Mention both lines clearly to avoid mixing service and goods values.

Can reverse charge ever apply to transactions involving Limestone & calcareous stones?

Reverse charge in goods is notified only for specific categories. Most regular B2B sales of Limestone & calcareous stones are forward charge. Check the current notifications for any special cases before deciding.

Any import/export nuance for Limestone & calcareous stones?

Exports are zero‑rated (with or without payment of IGST) subject to LUT/refund conditions. Imports may attract customs duties in addition to GST. Keep HSN‑wise description consistent across invoice, shipping bill and BOE.

How do I bill a kit or combo that includes Limestone & calcareous stones?

Prefer separate lines per item with its HSN so each component follows its own tax treatment. If it is a naturally bundled supply, identify the principal supply and tax the whole bundle accordingly.

Do spares or accessories of Limestone & calcareous stones follow the same HSN?

Not always. Spares are often classified by their own description or by the function/part rule. Check if a specific sub‑heading exists for parts of the main item and describe the part on the invoice.

Does packaging or branding change how GST applies to Limestone & calcareous stones?

Yes. Many food/agri goods are treated differently when sold as pre‑packaged & labelled retail packs versus loose/open packs. If Limestone & calcareous stones is sold in small pouches (e.g., 500 g) with an MRP and label, record that on the invoice. Loose bulk bags often follow a different treatment.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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