GSTR-2B: What It Is, Why It Matters, and How to Use It

Key Characteristics of GSTR-2B

GSTR-2B tells you what the GST portal has communicated as available or unavailable ITC. Your final ITC claim in GSTR-3B should be based on GSTR-2B, after checking invoice eligibility, blocked credit restrictions, payment conditions, and other GST requirements.

Who Can Use GSTR-2B?

GSTR-2B is available to normal taxpayers, SEZ units, SEZ developers, and casual taxable persons. QRMP taxpayers also get GSTR-2B, but their statement is generated quarterly.

Composition taxpayers do not claim ITC, so GSTR-2B is not useful for them.

A regular business using GSTR-3B should check GSTR-2B every month before claiming ITC. A quarterly taxpayer should check it before filing quarterly GSTR-3B.

When Is GSTR-2B Generated?

For monthly taxpayers, draft GSTR-2B is generally generated on the 14th of the month following the tax period.

For example, draft GSTR-2B for March 2026 is generally generated on 14 April 2026. This statement is used while preparing GSTR-3B for March 2026.

However, if the previous period GSTR-3B is not filed, draft GSTR-2B may not be generated on the 14th. In that case, it can be generated after the previous GSTR-3B is filed.

After IMS, the GSTR-2B generated on the 14th should be treated as draft GSTR-2B. If you accept, reject, or keep invoices pending in IMS after the 14th and before filing GSTR-3B, you need to recompute GSTR-2B so that the correct ITC values flow into GSTR-3B.

This changes the earlier practice where businesses treated GSTR-2B as fully frozen after the 14th. The statement is still generated by the GST system, but IMS has added a review and recomputation layer before GSTR-3B filing.

GSTR-2B Cut-off Dates Explained

The cut-off for GSTR-2B depends on the type of supplier return or statement. Businesses should not use a single cut-off date for all suppliers.

Monthly Supplier Filing Cut-off

For suppliers filing monthly GSTR-1 or GSTR-1A, the GSTR-2B cut-off generally covers documents filed from 00:00 hours on the 12th of the relevant month to 23:59 hours on the 11th of the following month.

Example for March 2026 GSTR-2B:

If a monthly supplier reports your March invoice by 11 April 2026, it can appear in your March 2026 GSTR-2B. If the supplier reports it after the cut-off, it will move to the next open GSTR-2B period.

Quarterly Supplier and Other Filing Cut-off

For quarterly GSTR-1, GSTR-1A, IFF, GSTR-5, and GSTR-6, the cut-off generally runs from 00:00 hours on the 14th of the relevant month to 23:59 hours on the 13th of the following month.

This is why businesses should not wait until the GSTR-3B due date to check supplier filing. Supplier follow-up should start before the relevant cut-off date, especially for high-value invoices.

GSTR-2B for QRMP Taxpayers

QRMP means Quarterly Return , Monthly Payment. Taxpayers under this scheme file GSTR-3B quarterly while paying tax monthly through the prescribed mechanism.

For QRMP taxpayers, GSTR-2B is generated quarterly on the 14th of the month after the quarter ends.

QRMP suppliers can use the Invoice Furnishing Facility for the first two months of a quarter. This allows them to report B2B invoices without waiting for the full GSTR-1 for the quarter. When a QRMP supplier uses IFF correctly, their buyer can gain invoice visibility earlier rather than waiting until the end of the quarter.

This matters for buyers. If a QRMP supplier does not use IFF, the buyer may face a delay in ITC reflection because the invoice may appear only after the supplier files quarterly GSTR-1.

The important distinction is that IFF helps recipients gain earlier visibility into invoices. However, if the recipient itself is under QRMP, its GSTR-2B is still generated quarterly.

Monthly Filers vs QRMP Filers

What Is Inside GSTR-2B?

GSTR-2B contains invoice-level and summary-level ITC details. It broadly shows ITC available, ITC not available, credit notes, reversals, import data, ISD credit, reverse-charge supplies, and IMS-related status, where applicable.

The exact tables and download sheets may change with GST portal updates, but the core purpose remains the same: to show which ITC is available, which is not, and what requires action before GSTR-3B filing.

Part A: ITC Available

Part A shows inward supplies for which ITC is available, as per supplier-reported data and portal rules.

It generally includes B2B invoices from registered suppliers, debit notes, amendments, ISD credit, import of goods, import from SEZ, and other eligible ITC records.

Part B: ITC Reversal or Reduction

Part B includes records that reduce ITC or require reversal. These may include credit notes, amendments, Rule 37A reversals, and IMS-rejected records.

ITC Not Available

GSTR-2B also shows ITC not available in specific cases identified by the portal. These include cases where ITC is restricted due to the time limit under Section 16(4), place-of-supply restrictions, or other conditions identified by the portal.

However, GSTR-2B does not automatically identify every blocked credit under Section 17(5). For example, GST on motor vehicles, food and beverages, personal consumption, club membership, works contract in certain cases, or other blocked categories may still appear in purchase records. The business must manually review and reverse such ITC while preparing GSTR-3B.

Import Data in GSTR-2B

GSTR-2B includes import data for goods received from ICEGATE . This helps importers check IGST paid on Bills of Entry and reconcile import ITC with books.

Import data may appear under separate sections for:

From October 2025, the GST portal introduced a separate “Import of Goods” section in IMS. This section covers Bills of Entry for the import of goods, including imports from SEZ. It also affects how import-related records and amendments are reflected in GSTR-2B.

Separate import and amendment details are available for reconciliation. Importers should still match GSTR-2B with the Bill of Entry number, port code, Bill of Entry date, GSTIN, IGST amount, customs documents, ICEGATE data, and accounting records.

For example, a business imports machinery and pays IGST at customs. The Bill of Entry appears in GSTR-2B. Before claiming ITC, the business should verify that the machinery is used for business purposes, the GSTIN is correct, the IGST amount matches customs records, and the asset is properly recorded in the books.

GSTR-2B vs GSTR-2A

GSTR-2A and GSTR-2B are both auto-drafted statements, but they serve different purposes.

Practical Example

Your supplier reports a March invoice before the applicable cut-off. It can appear in your March GSTR-2B and can be considered for March GSTR-3B, subject to ITC eligibility.

If the supplier reports the same invoice after the applicable cut-off, it may appear in GSTR-2A upon filing, but it will not be included in the March GSTR-2B. It will move to a later GSTR-2B period.

For ITC filing, use GSTR-2B for final working and GSTR-2A for supplier tracking.

GSTR-2B vs GSTR-3B

Many businesses confuse GSTR-2B and GSTR-3B. They are connected, but they are not the same.

GSTR-2B gives the ITC working data generated by the GST portal. GSTR-3B is the return where the taxpayer reports eligible ITC, reversals, output tax liability, and tax payment.

Invoice Management System and GSTR-2B

The Invoice Management System was introduced on the GST portal from the October 2024 tax period. It allows recipients to review supplier-reported invoices before they are finally used for ITC working.

IMS gives the recipient three main options: accept, reject, or keep pending.

IMS action is not mandatory for every record. If no action is taken, the record is treated as deemed accepted and flows into GSTR-2B as per the portal process.

For businesses with high purchase volumes, IMS helps identify incorrect GSTIN, duplicate invoices, incorrect values, and unrelated supplier records before ITC flows into GSTR-3B.

Records That Do Not Go Through IMS

Not every record flows through IMS. Some records directly flow to GSTR-2B. These include reverse charge supplies reported by the supplier, GSTR-5 records, GSTR-6 records, and records where ITC is not eligible due to Section 16(4) or place-of-supply restrictions.

Import of goods should be treated separately because a dedicated Import of Goods section was introduced in IMS from the October 2025 tax period. Businesses should check the latest import tables in GSTR-2B and the import section in IMS while reconciling import ITC.

This means businesses should not assume that IMS is the only place to check inward supply data. GSTR-2B reconciliation is still required.

Draft GSTR-2B and Recompute

From the IMS period, GSTR-2B generated on the 14th is treated as draft GSTR-2B. If a taxpayer takes IMS action after the 14th and before filing GSTR-3B, GSTR-2B must be recomputed from the IMS dashboard.

For instance, a business checks its draft GSTR-2B on 14 April 2026. On 16 April 2026, it rejected an incorrect supplier invoice in IMS. Before filing the March GSTR-3B, it must recompute GSTR-2B so that the rejected invoice is not considered in the final ITC value. After IMS, action taken after draft GSTR-2B generation requires recomputation before GSTR-3B filing.

Why GSTR-2B Is Critical for Your Business

GSTR-2B directly affects ITC claim, credit note reversal, vendor follow-up, import ITC checking, Rule 37A reversal, and GSTR-3B working. It is the primary document used to verify whether the ITC recorded in your books is supported by supplier-reported GST data.

ITC Claim Control

Since the removal of provisional ITC under old Rule 36(4), businesses should not claim ITC merely because the purchase invoice is available in their books. The invoice or debit note must be reported by the supplier in GSTR-2B, wherever applicable. Before filing GSTR-3B, match GSTR-2B with the purchase register and remove ineligible ITC.

Missing Invoice Identification

GSTR-2B helps identify invoices that are present in your purchase register but not reported by suppliers. These missing invoices are important because they can block ITC for the current period.

For example, your books show a purchase invoice for ₹5 lakh plus GST, but it is missing from GSTR-2B. This usually means the supplier has not reported it, reported it under the wrong GSTIN, missed the cut-off, or made an error in invoice details.

Credit Note and ITC Reversal Tracking

If a supplier issues a credit note, your ITC may need to be reduced. GSTR-2B helps identify such credit notes and amendments. With the newer IMS workflow, credit note handling has become more structured, especially where the recipient needs to declare the ITC reduction amount.

Vendor Compliance Monitoring

GSTR-2B shows which suppliers are disciplined and which suppliers repeatedly delay filing. This helps purchase teams identify high-risk vendors.

A supplier who regularly delays GSTR-1 filing may create repeated ITC delays for your business. A supplier who files GSTR-1 but does not file GSTR-3B can create Rule 37A reversal risk.

Audit and Scrutiny Support

Keep month-wise reconciliation files, IMS action logs, supplier follow-up emails, credit note working papers, import ITC matching files, and Rule 37A reversal workings for GST scrutiny.

These records help explain why ITC was claimed, deferred, reversed, or re-availed in a particular tax period.

How to Download GSTR-2B from the GST Portal

GSTR-2B can be viewed and downloaded from the GST portal.

Step-by-Step Process

Step 1: Visit the GST portal and log in with your GSTIN credentials.

Step 2: Go to Services.

Step 3: Select Returns.

Step 4: Open Returns Dashboard.

Step 5: Choose the financial year and tax period.

Step 6: Open the Auto-drafted ITC Statement - GSTR-2B tile.

Step 7: View the summary online or download the full file.

Step 8: Download Excel or JSON format for detailed reconciliation.

For businesses with many purchase invoices, an Excel or JSON download is better than manual viewing. It allows accounting software or reconciliation tools to match supplier invoices with the purchase register.

What to Download

GSTR-2B Reconciliation Process

GSTR-2B reconciliation means matching your purchase register with the GST portal’s ITC statement before filing GSTR-3B..

Step 1: Export Purchase Register

Export your purchase register from your accounting software. It should include supplier GSTIN, supplier name, invoice number, invoice date, taxable value, IGST, CGST, SGST, cess, total value, and voucher number.

Step 2: Download GSTR-2B

Download GSTR-2B for the same tax period from the GST portal. Use Excel or JSON format for proper reconciliation.

Step 3: Match Key Fields

The main matching fields are supplier GSTIN, invoice number, invoice date, taxable value, tax amount, and total invoice value.

Step 4: Categorise Records

After matching, divide records into clear categories.

Step 5: Check Legal Eligibility

Even if an invoice is available in GSTR-2B, ITC should be claimed only if it is eligible under the GST law. Check whether goods or services are used for business, whether they are blocked under Section 17(5), whether payment conditions are met, and whether other ITC conditions are satisfied.

Step 6: Finalize ITC for GSTR-3B

After reconciliation, claim only the eligible and supported ITC in GSTR-3B. Keep the reconciliation file, supplier follow-up emails, IMS action records, credit note working, import matching records, and Rule 37A workings for audit records.

• Mismatch in GSTR-2B reconciliation is common. The important thing is to identify the reason and take action before filing GSTR-3B.

Invoice in Books but Not in GSTR-2B

This means your purchase register has the invoice, but the GST portal has not communicated it in GSTR-2B. Common reasons include supplier not filing GSTR-1, supplier filing after the cut-off, wrong GSTIN, wrong invoice number, wrong tax period, or supplier reporting the invoice in a later month.

The correct action is to contact the supplier and ask them to report or correct the invoice in GSTR-1, GSTR-1A, or IFF, as applicable. Do not claim ITC until the invoice is communicated in GSTR-2B, wherever Rule 36(4) applies.

Invoice in GSTR-2B but Not in Books

This means the supplier has reported an invoice, but your books do not show it. This can happen due to missed purchase entry, duplicate supplier reporting, incorrect GSTIN used by supplier, or fraudulent reporting. Verify whether goods or services were actually received. If the invoice is valid, record it in books. If it is not valid, reject it through IMS where applicable or follow up with the supplier for correction.

Value Mismatch

A value mismatch happens when the invoice exists in both books and GSTR-2B, but the taxable value or GST amount does not match.

This may happen due to an invoice amendment, rounding differences, an incorrect tax rate, partial reporting, or an incorrect invoice entry. Check the supplier invoice copy, purchase order, goods receipt, and accounting entry before deciding the ITC amount.

Credit Note Mismatch

If a supplier has issued a credit note but your books do not reflect it, your ITC may be overstated. Update books and reverse ITC where required.

Credit note tracking has become more important after the IMS changes because the supplier’s output tax reduction and the recipient’s ITC reversal are now more closely connected.

Rule 37A Mismatch

If your supplier reported the invoice but did not file GSTR-3B, you may have to reverse ITC under Rule 37A. Track this separately, as it is different from a typical missing invoice issue.

Rule 37A: ITC Reversal When Supplier Does Not File GSTR-3B

Rule 37A applies when the supplier reports an invoice or debit note in GSTR-1, GSTR-1A, or IFF, and the recipient claims ITC in GSTR-3B, but the supplier does not file the corresponding GSTR-3B.

In simple words, your supplier showed the invoice to the GST system, so you claimed ITC. But if the supplier does not file GSTR-3B and does not pay the tax through return filing, your ITC can become subject to reversal.

How Rule 37A Works

Practical Example

You claimed ITC in FY 2025-26 based on an invoice appearing in GSTR-2B. The supplier had reported the invoice but did not file the related GSTR-3B by 30 September 2026. You must reverse the ITC in GSTR-3B on or before 30 November 2026.

If the supplier later files the pending GSTR-3B, you can re-avail the ITC. This makes supplier compliance monitoring important. It is not enough to check whether the supplier filed GSTR-1. Businesses should also monitor whether key suppliers are filing GSTR-3B.

GSTR-2B was introduced by the GST Council as a new auto-drafted ITC statement. It was made available to taxpayers in August 2020 and is applicable for the July 2020 tax period. Since its introduction, GSTR-2B is generated on the 14th of every month, based on supplier filings in GSTR-1, GSTR-5, and GSTR-6. Once generated, GSTR-2B remains unchanged for the period, providing a reliable source for ITC claims. The goal was to simplify the ITC process and make it easier for businesses to match and claim accurate credits.

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Rule 36(4): End of Provisional ITC

Before January 2022, Rule 36(4) allowed limited provisional ITC over and above supplier-reported ITC. That benefit no longer applies.

Current Rule 36(4) says ITC cannot be claimed for invoices or debit notes required to be furnished by the supplier unless the supplier has furnished the details in GSTR-1 or IFF and the ITC has been communicated to the recipient in GSTR-2B.

Current ITC Claim Position

Key 2025 and 2026 Updates

IMS-linked GSTR-2B Workflow

IMS has changed the way businesses manage inward invoices. From the October 2024 return period, taxpayers can accept, reject, or keep pending supplier records before finalising GSTR-2B values.

IMS helps identify incorrect GSTIN, duplicate invoices, incorrect invoice values, and invoices unrelated to the business before the final ITC is used for GSTR-3B.

Draft GSTR-2B and Recompute

After IMS, the GSTR-2B generated on the 14th works as a draft GSTR-2B. If any IMS action is taken after the 14th and before GSTR-3B filing, the taxpayer must recompute GSTR-2B.

After IMS, this recomputation step should be part of the return filing checklist. If a business rejects, accepts, or keeps records pending after the generation of draft GSTR-2B, the final ITC working should be updated before filing GSTR-3B.

Credit Note Handling

Credit note handling has become more important because supplier output tax reduction is linked with recipient ITC reversal, where ITC has been availed. Businesses must track credit notes every month and ensure the corresponding ITC is reduced properly.

Since October 2025, IMS has also allowed more structured action on selected credit notes and amendments. Taxpayers can declare the amount of ITC to be reduced and, in some cases, add remarks.

Import of Goods in IMS

Effective from October 2025, import data for goods will have a separate section in IMS. This includes imports of goods from outside India and imports from SEZs. GSTR-2B Excel also includes separate sheets for import records and import amendments, including SEZ-related import records.

Importers should use these details for reconciliation, but they should still match GSTR-2B with ICEGATE, Bill of Entry, books, and customs documents.

Rule 37A Reversal Visibility

GSTR-2B now gives better visibility of Rule 37A reversal data. This helps taxpayers identify ITC that may need reversal because the supplier reported the invoice but did not file the corresponding GSTR-3B.

Conclusion

GSTR-2B is one of the most important documents in the GST ITC process. It helps businesses check supplier-reported invoices, available ITC, unavailable ITC, credit notes, import ITC, and reversal requirements before filing GSTR-3B.

The biggest practical change is the IMS-linked workflow. Earlier, businesses treated GSTR-2B as a fixed statement generated on the 14th. Now, the 14th version works as draft GSTR-2B, and any IMS action taken after that may require recomputation before GSTR-3B filing.

Monthly GSTR-2B reconciliation reduces mismatches between the purchase register, GSTR-2B, GSTR-3B, supplier credit notes, import ITC records, and Rule 37A reversal workings.

To reduce ITC mismatch risk, businesses should reconcile GSTR-2B with their purchase register monthly or quarterly, track supplier filings before cut-off dates, review credit notes carefully, monitor Rule 37A reversals, and separately check blocked credits under Section 17(5).