GSTR-1

Details of outward supplies of taxable goods or services effected.

The document is submitted monthly though ClearTax.

Content	File description
Sales Invoices	Consists of sales invoices of different transaction types, such as Exports and B2B
Credit and Debit Note Invoices	Consists of all credit and debit note adjustments
Bill of Supply	Contains all of the invoices that are Exempt, No-GST, or Zero-Rated
Advance Payments	Contains all invoices that are raised in relation to advance payments received for the period
Payment Refunds	Contains all invoices raised in relation to issued payment refunds for the period