GSTR-1 due date extension: outward supply returns for affected registered persons now due by the eleventh day following each month. The due date for furnishing FORM GSTR-1 by registered persons whose aggregate turnover exceeds the prescribed threshold is extended so that details of outward supplies for each month in the specified return period shall be furnished by the eleventh day of the month succeeding the relevant month; the time limit for returns under section 38 for the same months will be notified later, and the notification is in force from the stated commencement date under powers conferred by the Delhi GST Act.