GSTR-1 filing deadline extended to the eleventh day following each month for eligible high-turnover registered persons. Extension of time for furnishing FORM GSTR-1 is prescribed for registered persons whose aggregate turnover exceeds the prescribed threshold, covering July to September 2019; the deadline to furnish details of outward supplies in FORM GSTR-1 for each of those months is extended till the eleventh day of the month succeeding such month. Time limits for furnishing details or return under sub section (2) of section 38 and sub section (1) of section 39 for the same months will be notified subsequently in the Official Gazette.