Implementation of mandatory mentioning of HSN codes in GSTR-1



Quick Summary
New regulations now mandate the inclusion of HSN codes in Table-12 of GSTR-1. Taxpayers must report either 4 or 6 digits of the HSN code, depending on their Aggregate Annual Turnover from the previous financial year. The GST Portal is rolling out these changes gradually to assist businesses.

Mandatory HSN Codes in GSTR-1: New Rules Explained

Vide Notification No. 78/2020 - Central Tax dated 15th October, 2020, it is mandatory for the taxpayers to report minimum 4 digits or 6 digits of HSN Code in Table-12 of GSTR-1 on the basis of their Aggregate Annual Turnover (AATO) in the preceding Financial Year.

To facilitate the taxpayers, these changes are being implemented in a phase-wise manner on GST Portal. For detailed advisory please click here  

FAQ :

Taxpayers must now report a minimum of 4 or 6 digits of the HSN Code in Table-12 of their GSTR-1.

The number of digits required (4 or 6) is based on the taxpayer's Aggregate Annual Turnover in the preceding Financial Year.

These changes were announced via Notification No. 78/2020 - Central Tax, dated 15th October, 2020.

The implementation is being carried out in a phase-wise manner on the GST Portal to help taxpayers adapt.




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Finance news reporter covering taxation, GST, income tax, business compliance, and economy updates. I simplify complex financial topics into easy-to-understand articles for professionals, taxpayers, and business owners on leading finance and tax platforms.

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