HSN HEADING
2521LIMESTONE FLUX; LIMESTONE AND OTHER CALCAREOUS STONES, OF A KIND USED FOR THE MANUFACTURE OF LIME OR CEMENT
HSN heading 2521 falls under Chapter 25 — salt, sulphur, earths and stone, plastering materials, lime and cement. It breaks down into 1 sub-codes listed below.
Sub-codes under 2521 (1)
About HSN heading 2521
The 4-digit code 2521 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 25, which covers salt, sulphur, earths and stone, plastering materials, lime and cement.