HSN code 2621: Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste [other than fly ash]

HSN heading 2621 sits in chapter 26 (Ores, slag and ash). It has 2 8-digit tariff items. On a tax invoice, businesses with turnover up to ₹5 crore show at least the 4-digit code 2621; above ₹5 crore, the 6-digit sub-heading.

⚠️About GST rates: GST rates on many goods changed from 22 September 2025, when most items moved to the 5% and 18% slabs and a few to 40%. This finder lists codes and descriptions only — confirm the rate for your item in the current CBIC rate notification before you invoice.

8-digit tariff items under 2621

HSN code	Description
26211000	Ash And Residues From The Incineration Of Municipal Waste
26219000	Other

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