GSTR-2B Reconciliation: 7 Checks Before Filing GSTR-3B

Updated on 9 June 2026

GSTR-2B Reconciliation: 7 Checks Before Filing GSTR-3B

Input tax credit can reduce your GST liability, but claiming the wrong amount may lead to mismatches, notices and additional compliance work. Before filing Form GSTR-3B, businesses should compare their purchase records with Form GSTR-2B and investigate differences.

The GST Portal describes GSTR-2B as a read-only, auto-drafted input tax credit statement generated from information furnished by suppliers and other applicable sources. The portal also states that GSTR-2B should be used to take the correct input tax credit in the relevant sections of GSTR-3B.

1. Match supplier invoices with GSTR-2B

Compare invoice number, date, taxable value, GST amount and supplier GSTIN between your purchase register and GSTR-2B. Small data-entry differences can make an otherwise valid invoice difficult to identify.

2. Identify invoices missing from GSTR-2B

If an invoice appears in your books but not in GSTR-2B, contact the supplier and confirm whether the invoice was correctly reported in their GST return. Keep a clear follow-up record before deciding how to treat the credit.

3. Review invoices appearing only in GSTR-2B

An invoice in GSTR-2B that is not in your purchase records may indicate an unrecorded purchase, duplicate reporting or an invoice belonging to another customer. Verify it before including the credit in your GST workings.

4. Check credit notes and debit notes

Credit notes can reduce eligible input tax credit, while debit notes may change the amount available. Ensure these documents are reflected in both the books and reconciliation records.

5. Separate eligible and ineligible ITC

Not every tax amount shown in GSTR-2B is automatically eligible for credit. Review blocked credits, personal expenses, non-business use and other applicable restrictions before finalising the claim.

6. Review reverse-charge transactions separately

Reverse-charge transactions require separate tax-payment and credit treatment. Confirm the applicable liability has been handled correctly before including related input tax credit.

7. Preview GSTR-3B before filing

The GST Portal notes that system-generated GSTR-3B values are intended to assist taxpayers and remain editable. Review the draft carefully because GSTR-3B cannot be revised after it is filed; required adjustments generally need to be handled in a subsequent period.

Need help with GST reconciliation and returns?

Quick Efiling Solutions can help reconcile your purchase register with GSTR-2B, review eligible input tax credit and prepare your GSTR-3B filing.

Book a consultation or call +91 9811818306.

Official references:

This article is for general awareness only. GST treatment depends on the transaction facts and applicable law.