Taxpayers to mention 6-digit HSN Codes for outward supplies if AATO exceeds Rs 5 Crores

Posted on    10 March 2023

As per Notification No. 78/2020 - Central Tax dated October 15, 2020,  it is mandatory for taxpayers to mention 6-digit HSN Codes for their outward supplies having AATO more than Rs 5 Crores.


After a few weeks of time, e-Invoice System will not accept 4-digit HSN codes. The date for blocking e-Invoice generation having HSN code as 4-digits will be intimated shortly in this portal.

So, please make necessary changes in your system to report 6-digit HSN codes to e-Invoice Portal and comply by the notification.

You may verify all your HSN codes in the ( portal under Search–>Master–>HSN Codes and also test in the sandbox system (

In case the 6-digit HSN code is not available, you may raise a ticket at Helpdesk so that it can be included in the system.

Official Document has been enclosed below

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