GST e-Invoice Portal mandates taxpayers to report 6-digit HSN codes to e-Invoice Portal in compliance with Notification No.78/2020 – Central Tax dated October 15, 2020; As per the said Notification, it is compulsory for taxpayers having Aggregate Annual Turnover (AATO) of more than Rs 5 cr mention 6-digit HSN Codes for their outward supplies; Apprises that in few weeks time, the system will block 4-digit HSN codes and therefore, taxpayers should make necessary changes in their system; Informs that the exact date of blocking e-Invoice generation having HSN code as 4-digits will be intimated shortly in the portal; In cases where 6 digit HSN code is not available, suggest the taxpayers to raise a ticket at Helpdesk so that it can be included in the system.