Central Board of Indirect Taxes & Customs has issued a Notification No.12/2019 – Central Tax dated 7th March, 2019 to notify the due dates for furnishing the details of outward supplies in FORM GSTR-1, by such class of registered persons having aggregate turnover of more than 1.5 crore rupees in the preceding financial year or the current financial year, for each of the months from April, 2019 to June, 2019 till the 11th day of the month succeeding such month.
The time limit for furnishing the details or return, as the case may be, in Form GSTR-2 and Form GSTR- 3 for the months of July, 2017 to June, 2019 shall be subsequently notified in the Official Gazette.
Source :Central Board of Indirect Taxes & Customs