Question 1

What is an HSN Code and how does it work under Indian GST?

Accepted Answer

HSN stands for Harmonized System of Nomenclature, an internationally recognized 6-digit classification system developed by the World Customs Organization (WCO). In India, the CBIC expanded this into an 8-digit system for goods under GST.

Question 2

What is the difference between an HSN code and a SAC code?

Accepted Answer

HSN codes apply strictly to tangible Goods. SAC codes (Services Accounting Codes) apply exclusively to intangible Services and uniformly start with prefix "99".

Question 3

How many digits of HSN code must be mentioned on GST invoices?

Accepted Answer

Per CBIC Notification No. 78/2020-Central Tax: Businesses with turnover up to ₹5 Cr must mention 4 digits of HSN code on B2B invoices. Businesses with turnover above ₹5 Cr must mention 6 digits of HSN code on all tax invoices.

Question 4

What is Reverse Charge Mechanism (RCM) and why does this tool display it?

Accepted Answer

Under standard GST, the supplier collects tax. Under RCM, the recipient pays tax directly to the government. This tool flags when RCM applies on your matched code.

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