HSN HEADING
8404AUXILIARY PLANT FOR USE WITH BOILERS OF HEADING 8402 OR 8403 (FOR EXAMPLE, ECONOMISERS, SUPER HEATERS, SOOT REMOVERS, GAS RECOVERERS), CONDENSERS FOR STEAM OR OTHER VAPOUR POWER UNITS
HSN heading 8404 falls under Chapter 84 — nuclear reactors, boilers, machinery and mechanical appliances; parts thereof. It breaks down into 3 sub-codes listed below.
Sub-codes under 8404 (3)
About HSN heading 8404
The 4-digit code 8404 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 84, which covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.