For FY 2017-18 and 2018-19, the registered person shall have an option to upload the details for the entries in Table 8A to 8D duly signed, in PDF format in FORM GSTR-9C (without the CA certification).] For FY 2019-20, it may be noted that the details from FORM GSTR-2A generated as on the 1st November, 2020 shall be auto-populated in this table.
Source Taxguru
