Rule-59 Form and manner of furnishing details of outward supplies

(1) Every registered person, other than a person referred to in section 14 of the Integrated Goods and Services Tax Act, 2017 (13 of 2017), required to furnish the details of outward supplies of goods or services or both under section 37, shall furnish such details in FORM GSTR-1 for the month or the quarter, as the case may be, electronically through the common portal, either directly or through a Facilitation Centre as may be notified by the Commissioner.

[Provided that the said person may, after furnishing the details of outward supplies of goods or service or both in FORM GSTR-1 for a tax period but before filing of return in FORM GSTR-3B for the said tax period, at his own option, amend or furnish additional details of outward supplies of goods or services or both in FORM GSTR-1A for the said tax period electronically through the common portal, either directly or through a Facilitation Centre as may be notified by the Commissioner.]^[10]