You can only claim ITC that appears in your GSTR-2B. If your purchase is not in GSTR-2B — because the supplier did not file, or made a data error — your ITC is at risk. GSTR-2B reconciliation is the process of matching every purchase invoice against what the government has recorded. Here is how to do it.
What is GSTR-2B?
GSTR-2B is an auto-drafted, static statement of Input Tax Credit available to you for a given month. It is generated on the 14th of each month and reflects all supplier GSTR-1 filings up to the 13th. Unlike GSTR-2A (which updates in real time), GSTR-2B is a fixed snapshot for that period and is what GST officers use to verify ITC claims.
Why GSTR-2B Reconciliation Matters
- GST Rule 36(4): You cannot claim more ITC than what appears in GSTR-2B
- Excess ITC claims attract interest of 24% and a demand notice
- Unreconciled mismatches are a red flag in GST scrutiny
- Missing supplier filings can be caught and corrected before your GSTR-3B deadline
Step-by-Step GSTR-2B Reconciliation Process
- Download GSTR-2B from gst.gov.in (Returns → GSTR-2B → Download) as Excel/JSON
- Export your purchase register from your accounting software (invoice number, supplier GSTIN, date, taxable value, GST)
- Match each purchase invoice: verify GSTIN, invoice number, date, and GST amount match exactly
- Flag mismatches: invoices in your register but not in GSTR-2B, or different amounts
- For missing invoices: contact supplier to file or amend their GSTR-1
- For amount mismatches: get a corrected invoice or credit note
- Only claim ITC for invoices fully matching GSTR-2B in your GSTR-3B
Common Mismatch Reasons and Fixes
- Supplier filed late or not at all → Chase supplier immediately; defer that ITC to next month
- Invoice number typo (your records vs supplier records) → Verify with supplier, correct whichever is wrong
- GSTIN mismatch → Ensure you have the correct GSTIN in your party master
- Amount difference → Request a debit/credit note from supplier to correct
- Invoice split across two months → ITC claimable only in the month it appears in GSTR-2B
How Credwik Helps with GSTR-2B Reconciliation
Credwik's Analysis & Verification tab shows you every posted purchase voucher and flags GST amount mismatches between your invoice header and item-level calculations. The GSTR-3B Preview shows exactly what ITC you have claimed, making it easy to cross-check against your downloaded GSTR-2B. Future versions of Credwik will support direct GSTR-2B auto-import for one-click reconciliation.