HSN HEADING
8440BOOK-BINDING MACHINERY, INCLUDING BOOK-SEWING MACHINES
HSN heading 8440 falls under Chapter 84 — nuclear reactors, boilers, machinery and mechanical appliances; parts thereof. It breaks down into 2 sub-codes listed below.
Sub-codes under 8440 (2)
About HSN heading 8440
The 4-digit code 8440 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.