Central Board of Excise & Customs has issued a Notifications No 72/2017– Central Tax dated 29th December, 2017 and extended the time period for filing details of outward supplies in Form GSTR-1 for the month and for such time period as specified in the table below by such class of registered persons having aggregate turnover of more than 1.5 crore rupees in the preceding financial year or in the current financial year.
| Sl. No. | Months for which the details in FORM GSTR-1 are furnished | Due Date for furnishing the details in FORM GSTR-1 |
| 1 | January, 2018 | 10th March, 2018 |
| 2 | February, 2018 | 10th April, 2018 |
| 3 | March, 2018 | 10th May, 2018 |
