Central Board of Excise & Customs had issued Notification No. 18/2018-Central Tax to specify due dates for filing details of outward supplies in Form GSTR-1 for the month of June, 2018 for such class of registered persons having aggregate turnover of more than INR 1.5 crore in the preceding financial year or in the current financial year –
| Months for which the details in FORM GSTR-1 are furnished | Due date |
| June,2018 | 10th July, 2018 |
