HSN/SAC Code Finder & GST Rates
Search Indian GST HSN/SAC codes, descriptions, and tax rates for invoicing.
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What is HSN and SAC?
HSN (Harmonised System of Nomenclature)
HSN is a multi-purpose international product nomenclature developed by the World Customs Organisation (WCO). It is used to systematically classify goods for GST billing in India. It is usually 2, 4, 6 or 8 digits.
SAC (Services Accounting Code)
SAC is a system developed by the Central Board of Indirect Taxes and Customs (CBIC) to classify all services for GST invoicing. All SAC codes start with the number 99.
Understanding HSN and SAC Classifications
Classification of goods and services is essential under the GST act to ensure appropriate tax rates are applied. Using correct **HSN (Harmonised System of Nomenclature)** and **SAC (Services Accounting Code)** numbers on invoices minimizes reporting discrepancies and simplifies tax returns.
Sellers must select codes corresponding to their business sector and supply details to prevent verification failures on the e-way bill and GST portal.
HSN Code Digits Structure Breakdown
The digits inside a standard 8-digit HSN code represent progressive levels of product definition:
GST Mandate: How Many Digits Are Required?
Under CBIC notifications, the number of HSN digits you must declare on your Tax Invoices is determined by your aggregate turnover in the preceding financial year:
Turnover Up to ₹5 Crore
Small Taxpayers
4 Digits Mandatory
Required on all B2B (business-to-business) invoices. Optional on B2C tax invoices.
Turnover Above ₹5 Crore
Large Taxpayers
6 Digits Mandatory
Compulsory on all invoices issued (both B2B and B2C transactions) without exception.
How to Use This Tool
Simple steps to calculate and verify
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1
Search by Keyword or Code Enter product names (e.g. 'cotton shirts', 'laptop', 'legal consultancy') or 2, 4, 6, 8-digit HSN/SAC numbers.
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2
Filter Goods vs Services Goods use 2 to 8-digit HSN codes (Chapters 01 to 98); Services use 6-digit SAC codes (all starting with Chapter 99).
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3
Review Applicable Tax Slabs Inspect the matching HSN/SAC code, standard tax slab (0%, 5%, 12%, 18%, 28%), and official statutory description.
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4
Copy to Invoice or Quote Copy the verified code directly into your GST Maker billing forms to ensure full compliance on your tax invoices.
Pro Tips & Statutory Advice
Practical business & compliance advice
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SAC 99 Chapter for All Services All services under GST are classified under chapter 99 (e.g. 9983 for IT & management consultancy, 9954 for civil construction, 9965 for goods transport).
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Specific Description Overrules General Under General Interpretative Rule 3(a), the heading that provides the most specific description must be preferred over headings providing a general description.
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HSN Length by Turnover Rules Businesses with annual turnover up to ₹5 Cr must declare a minimum 4-digit HSN on B2B invoices; businesses with turnover > ₹5 Cr must declare 6 digits.
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Avoid Section 73 Penalties Incorrect HSN classification leading to underpayment of GST attracts 18% annual interest plus penalties under Section 73 of the CGST Act.