GSTN has started allowing the amendment related to FY 2021-22 in October 2022 return period. This in line with the recent amendment in the GST Law wherein amendment can be done up to 30th Nov. of the next FY. The taxpayer can amend the details of taxable outward supplies made to the registered person that is already reported in table 4A, 4B, 6B, 6C – B2B Invoices. The taxpayer shall provide the financial year and invoice number and click on Amend Record to search for the invoice.
Source Taxscan