Steps
- On the GST portal, open GSTR-2B for the month and download the JSON file. It can take 5 to 10 minutes to be ready.
- Open GSTR-2B Match in the menu and click Upload GSTR-2B.
- Enter the Period (MMYYYY), such as 052026 for May 2026, choose the GSTR-2B JSON file and click Upload & Parse.
- On the next page, click Run Reconciliation.
- Read Matched, Missing in books, Missing in 2B and Tax mismatch.
- For Missing in books, get the bill from the supplier and enter it in your purchases. For Tax mismatch, check the amounts with the supplier.
Good to know
It matches on the supplier's GSTIN and the Supplier Invoice Number, so fill both on every purchase bill. Only approved purchases count.
Matched means the tax agrees within ₹1. Suppliers with no GSTIN are left out, because they can never appear in GSTR-2B.