GSTR-3B due date extension for affected registered persons; returns may be filed by the revised consolidated deadline. The amendment extends the period to furnish FORM GSTR-3B to include April, May and June, 2023 for registered persons whose principal place of business is in Manipur, and substitutes the earlier due date with the thirty-first day of July, 2023; the notification is deemed effective from the thirtieth day of June, 2023.