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GSTR-1 + GSTR-3B every month — handled by a CA, never miss a deadline — gather these 5 documents before you start the application. Print this page or share with your CA.
Sales register (Excel / Tally / Zoho Books)
Purchase register
Bank statement
Cash receipts / debit-credit notes
Last GSTR-3B and GSTR-1 (for first-time switchers)
Pro tip
Upload soft copies (PDF) to the FilingLab dashboard once you sign up. Originals are not required — we file with the e-stamped digital copies. Documents must be ≤ 1 year old (utility bills, bank statements).