Yes, you can modify transactions after filing GSTR 1 or after performing GSTR 2 reconciliation. To make changes, you’ll need to un-file the returns.
Note: Before making changes to the transactions in Zoho Books, you must first amend the transactions manually in the GST portal, as rectifying the transactions in Zoho Books will not make changes in the portal.
To un-file the return for any month, you need to un-file every return that was filed in the subsequent months. For example, if you had filed the return until September but want to un-file the return for August or previous months, you will need to un-file September’s return first.
Learn more about unfiling returns.
Books
Simplify accounting
and GST filing.