What is HSN Code 340399?
HSN code 340399 is the Harmonized System of Nomenclature classification for Lubricating Preparations (Including Cutting-Oil Preparations, Bolt Or Nut Release… under India's Goods and Services Tax (GST). It is a 6-digit code sitting at the sub-heading (6-digit) level of the HSN hierarchy.
This code belongs to Chapter 34 — Soap, Organic Surface-Active Agents, Washing Preparations,…, which is part of Section VI: Chemical Products. Every GST-registered business supplying lubricating preparations (including cutting-oil preparations, bolt or nut release… must quote HSN 340399 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.