India adopted the 6-digit HSN system for GST classification in 2017. The mandatory digit requirements are based on annual turnover: 4 digits for turnover below ₹5 crore, 6 digits for above ₹5 crore, and 8 digits for all exports.
SAC codes (Services Accounting Codes) are used for all services. They follow the same 6-digit structure. Examples: 996311 (Hotels), 998313 (Custom software), 999100 (Government services).
Frequently Asked Questions
Yes. From April 2021: 4-digit HSN for turnover up to ₹5 crore; 6-digit for above ₹5 crore; 8-digit for all exports.
Services Accounting Code (SAC) classifies services under GST. All service invoices must include the SAC code.
Use the search above — type the product or service name and select the closest match. You can also refer to the GST Tariff Schedule published by CBIC.
The first 6 digits are internationally standardized under the World Customs Organization (WCO) system. Digits 7–8 are country-specific extensions.
