GSTR-1 Quarterly Returns The due date for filing of GSTR-1 Quarterly Returns for the period July – September is 13th October, 2021. + Add to Google Calendar + iCal / Outlook export Tags: gst, GSTR, GSTR due date, QRMP, QRMP Scheme Date Oct 13 2021 Expired! Time All Day Location GSTR-1 (July - September) QRMP Scheme Share this event