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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchReconcile GSTR-2B to your purchase register one GSTIN and tax period at a time. Download the statement and your books, match each invoice, debit note, credit note, amendment, reverse-charge item and import document, then investigate exceptions with the source invoice and supplier filing. GSTR-2B is read-only, so you cannot insert a missing invoice yourself.
After matching the data, perform a separate statutory eligibility review before reporting credit in GSTR-3B. A document shown as available in GSTR-2B is not a complete legal approval, and a document missing from one statement is not automatically claimable. Supplier reporting, statement cutoffs, the GST law, payment timing, reversals and duplicate controls all matter.
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What GSTR-2B establishes—and what it does not
GSTR-2B is an auto-drafted input tax credit statement for a recipient GSTIN. The GST Portal compiles it from supplier information filed in GSTR-1 or GSTR-1A, GSTR-5 and input-service-distributor information in GSTR-6. It also receives import-of-goods information from ICEGATE, including certain supplies from special economic zones. The statement is read-only: the recipient cannot edit a document or add a missing invoice.
You can download GSTR-2B in Excel or JSON. Use the download as the source-side data set for reconciliation, while your purchase register remains the book-side data set. The GST Portal advises taxpayers to reconcile the statement with their own records, prevent duplicate claims, make required reversals and pay reverse-charge tax.
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GSTR-2B is a reporting input, not a conclusive legal certificate. The Portal labels some items as ITC not available, including specified section 16(4) time-limit cases and certain place-of-supply situations. Those labels do not capture every blocked-credit rule, documentation defect, business-use question, payment condition or other restriction. You must test the transaction against the law and the facts.
| GSTR-2B feature | Practical meaning | Control for your close |
|---|---|---|
| Read-only statement | You cannot type an invoice into GSTR-2B or amend a supplier’s filing from the recipient view. | Resolve missing or incorrect data through supplier filing, an import-record correction or your own books; retain the evidence. |
| Supplier and ISD data | Documents generally appear after the relevant supplier or ISD statement is filed and processed. | Check the supplier’s filing status and the period cutoff before treating an item as permanently missing. |
| ICEGATE import data | Import-of-goods records can appear without a supplier invoice, but coverage is not universal; the Portal FAQ notes that some courier imports may not be included. | Reconcile the bill of entry and customs evidence separately. |
| Availability indicators | A green or available amount does not test every statutory eligibility requirement. | Complete a documented section 16, blocked-credit, receipt, payment and time-limit review. |
| Amendment summaries | A summary may show the differential between an amended and original amount, while document details show revised information. | Calculate the net change; do not claim the original and revised amounts as two supplies. |
When the statement is generated
The official FAQ says a monthly GSTR-2B is generated on the 14th of the succeeding month. A quarterly statement is generated on the 14th of the month following the quarter. Supplier documents filed after a cutoff can flow into a later open statement rather than the period you first expected. Cutoff rules and portal calendars can change, so verify the live period-specific schedule before filing.
How do I reconcile GSTR-2B with my purchase register?
Use the following repeatable close process. Do not combine periods or GSTINs merely to make a larger match; doing so can hide duplicate claims, amendments and time-limit problems.
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- Select the recipient GSTIN used on the purchase documents and return. If your accounting system has several registrations or locations, create a separate population for each GSTIN.
- Define the exact month or quarter and the return in which the credit may be reported. Keep invoices from earlier and later periods in separate queues.
- Record the statement generation date, the date you downloaded the data and the person responsible for the review.
2. Export both data sets
Download the selected GSTR-2B in Excel or JSON and export the matching purchase register from your accounting system. Preserve the unaltered downloads. Work on a copy so that a reviewer can reproduce the numbers used for the return.
Your purchase-register extract should contain at least the supplier GSTIN, document type, document number, document date, taxable value, each tax head, place of supply where relevant, reverse-charge flag, accounting period and the amount of ITC claimed or proposed. Retain invoice images and goods-receipt or service-acceptance evidence outside the spreadsheet.
3. Normalize matching keys without destroying originals
Standardize GSTIN capitalization, document-type labels, date formats, spacing and harmless punctuation in document numbers. Keep the original value in a separate column. A normalization rule that removes meaningful prefixes or leading zeroes can create false matches, so flag any transformation that changes the legal document identity.
4. Match at document level
Match on supplier GSTIN, document type and number first. Then compare document date, taxable value, tax amount by head and place of supply where it affects the tax treatment. Treat a debit note, credit note and amendment as its own event linked to the original document; never let a broad supplier-total comparison conceal a document-level difference.
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| Field | Exact-match question | What a difference may indicate |
|---|---|---|
| Supplier GSTIN | Is the registration number identical on the invoice, books and GSTR-2B? | Wrong registration selected, supplier error, business transfer or an invoice issued by another registration. |
| Document type and number | Is this the same invoice, debit note, credit note or import document? | Duplicate entry, an omitted prefix, an amendment or a note posted as an invoice. |
| Date | Do the invoice date, filing record and accounting date refer to the same document? | Cutoff timing, data-entry error or a revised document. |
| Taxable value | Does the taxable base agree after discounts, freight and other invoice lines? | Partial booking, supplier amendment or an accounting classification error. |
| Tax by head | Do IGST, CGST and SGST or UTGST amounts agree? | Rate or place-of-supply error, tax calculation difference or wrong registration. |
| Place of supply | Does the transaction fact support the tax component shown? | Incorrect inter-State or intra-State treatment and a possible ITC restriction. |
5. Build an exception register
Do not overwrite a mismatch with a manual adjustment. Give every exception an owner, evidence status and next action. Useful categories are:
- Exact match ready for eligibility review.
- Missing in GSTR-2B.
- Missing in the purchase register.
- Duplicate or possible duplicate.
- Supplier GSTIN, document-number or date mismatch.
- Taxable-value or tax-head mismatch.
- Place-of-supply issue.
- Amendment or credit note.
- Reverse-charge transaction.
- Import or bill-of-entry mismatch.
- Potentially blocked, ineligible or time-barred credit.
For each line record the invoice and statement values, the evidence checked, supplier communication, responsible owner, next review date, proposed return treatment and reviewer sign-off. Attach the supplier’s corrected filing or the later statement in which the document appears.
6. Resolve the source of the error
Decide whether the correction belongs in your books, the supplier’s outward-supply filing, an ISD filing, an import or customs record, or the eligibility assessment. A buyer-side journal entry cannot repair a supplier-side GSTIN or tax amount. Conversely, a supplier correction does not fix an incorrect purchase-register posting.
7. Apply the legal eligibility test separately
For every proposed claim, check the invoice or prescribed document, receipt of goods or services, business use, blocked-credit provisions, the tax-payment and supplier-filing conditions applicable to the period, payment timing, required reversals and the relevant time limit. Record the conclusion independently of the GSTR-2B match status.
8. Tie the result to GSTR-3B and control duplicates
Reconcile eligible totals to the relevant GSTR-3B tables and to the auto-populated values. The Portal states that some GSTR-2B-derived figures populate GSTR-3B and remain editable; edited fields are highlighted. Keep a reconciliation of any edit, including its reason and supporting schedule. Before filing, run a duplicate check across original invoices, amendments, credit notes, reverse-charge entries and imports.
What should I do if an invoice is missing from GSTR-2B?
A missing invoice is a workflow exception, not permission to insert it manually. Work through these checks in order.
- Confirm the population. Verify the recipient GSTIN, selected period, supplier GSTIN, document number and invoice date. Check that the purchase belongs to the registration claiming the credit.
- Check the statement cutoff. Compare the supplier filing date with the cutoff for the relevant monthly or quarterly statement. A late-filed document may appear in a subsequent open GSTR-2B.
- Check supplier filing status. Ask the supplier whether the invoice was reported in the applicable outward-supply statement and whether it was rejected, amended or filed under another GSTIN.
- Request correction or reporting. Give the supplier the exact GSTIN, document number, date, taxable value and tax amounts that need review. Keep the invoice and written communication in the exception file.
- Recheck the next statement. Match the later GSTR-2B to the original invoice and supplier response. Do not treat the later appearance as proof that all other eligibility conditions are met.
- Decide the return treatment under current law. Whether and when credit can be claimed depends on the applicable period, statutory conditions and facts. Possession of an invoice alone does not establish entitlement.
| Why the invoice is absent | Action | Evidence to retain |
|---|---|---|
| Supplier has not filed it | Request filing in the appropriate statement and monitor the next open GSTR-2B. | Invoice, supplier confirmation and later statement. |
| Filed after the period cutoff | Track the subsequent statement rather than creating a manual GSTR-2B entry. | Filing date or supplier status and cutoff check. |
| Wrong recipient GSTIN | Ask the supplier to correct the document; assess the registration that actually received the supply. | Corrected filing and proof of receipt. |
| Invoice is not in the books either | Investigate whether the purchase occurred, was cancelled or was recorded under another document. | Order, receipt, invoice and accounting search results. |
| Import or courier data is absent | Reconcile the bill of entry and ICEGATE-related evidence; confirm whether the import category is covered. | Bill of entry, customs data and import accounting entry. |
How do I fix an ITC mismatch?
Invoice number, date or GSTIN differs
Compare the original tax invoice with every debit note, credit note and amendment. Ask the supplier to correct a supplier-side error. Check whether the Portal is displaying revised document details or an amendment differential. Post the corrected value in your books only after confirming the underlying supply; retain both the original and corrected records so the audit trail explains the change.
Taxable value or tax amount differs
Recalculate the invoice from its line items, discounts and tax rates. Compare IGST, CGST and SGST or UTGST separately rather than only comparing a total. If the supplier reported a different amount, request a correction and monitor the statement. A tax amount discrepancy can affect the amount of credit and, together with a place-of-supply error, can put the claim at risk.
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Verify the supplier and recipient registrations, the movement or delivery facts, the service location rules that apply to the transaction and the tax invoice. A place-of-supply issue may change which tax component is shown as available. The Portal’s ineligible classifications are not an exhaustive legal test, so obtain qualified tax advice for a disputed inter-State or intra-State treatment.
Credit note or amendment creates a negative or changed amount
Link the note or amendment to the original supply. Determine how much credit was actually availed, how much must be reversed and whether the revised amount has already been reflected in a prior return. The GSTR-2B FAQ explains that summary amendment figures can represent the difference between amended and original amounts, while document details show the revised information. Never claim both the original and revised values as independent credits.
For certain accepted credit-note and similar records, IMS guidance for changes effective from the October 2025 tax period describes recipient entry of the amount of ITC to reverse. Confirm the exact record type, period and live portal behavior before entering a reversal.
Reverse-charge transaction does not align
Separate reverse-charge purchases from supplier-reported forward-charge invoices. Verify the self-assessed tax, payment in the appropriate return and the timing of any credit claim or reversal under the rules for the period. GSTR-2B availability does not replace the recipient’s obligation to identify and pay reverse-charge tax.
Import or bill-of-entry data differs
Match the bill-of-entry number, port code, date, taxable value, IGST, recipient GSTIN and every amendment to the import section in GSTR-2B and any applicable IMS record. ICEGATE data can differ from an accounting entry because of timing or a corrected GSTIN.
An October 2025 advisory describes GSTIN amendments for bills of entry: the previous GSTIN may receive a reversal entry and the corrected GSTIN a corresponding record. The correct treatment depends on whether the previous GSTIN actually availed or reversed the credit, and on the amount involved. Reconcile the customs record and the returns of both registrations before posting an adjustment.
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How to use IMS when a supplier record is available
The Invoice Management System is a recipient review facility for applicable supplier-saved or supplier-filed records. Open the IMS dashboard, inspect the underlying document and choose an action that reflects the actual transaction and intended tax treatment.
Accept, reject or keep pending
- Accept: use only when the document relates to your business, the details are supportable and you intend to consider the credit subject to the separate eligibility review.
- Reject: use when the document is not yours, is materially incorrect or should not be accepted by your GSTIN. Keep the reason and supporting evidence.
- Keep pending: use when supplier clarification or a corrected document is needed. Set a follow-up date; pending is not a permanent resolution.
Some records do not appear for recipient action. IMS guidance excludes specified place-of-supply and section 16(4) cases from action and routes them to the ITC-not-available section. Acceptance in IMS is therefore not a substitute for checking receipt, business use, blocked credit, payment and time limits.
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Review the effect before filing
After an IMS action, compare the resulting GSTR-2B and GSTR-3B figures with your exception register. Check whether a credit note or amendment changes a prior claim, and document any manual edit to an auto-populated GSTR-3B field. The portal’s action status and the legal eligibility conclusion should be stored as separate fields.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Keep statutory eligibility and deadlines distinct from matching
Data matching answers whether your books and the supplier or import record describe the same document. It does not answer whether the credit is legally available. Apply the law and rules in force for the relevant tax period, including amendments and notifications.
| Eligibility question | Evidence or test | Possible outcome |
|---|---|---|
| Is there a valid tax invoice or prescribed document? | Original document, mandatory particulars and registration details. | Claim, correct the document or exclude the amount. |
| Were goods or services received? | Goods-receipt note, delivery proof, service acceptance or other transaction evidence. | Claim only for the received supply; investigate advances, cancellations and partial receipts. |
| Is the use connected with business? | Contract, purchase order, expense purpose and internal-use evidence. | Claim business-use portion and exclude non-business use. |
| Is the credit blocked or restricted? | Transaction type and the blocked-credit provisions applicable to the period. | Do not claim, or claim only the permitted portion. |
| Are supplier filing and tax-payment conditions satisfied? | GSTR-2B, supplier status and any period-specific statutory requirement. | Hold, reverse or claim according to the current law and facts. |
| Was the supplier paid within the required period? | Accounts-payable ledger and bank evidence. Section 16(2) includes a 180-day payment condition, subject to statutory qualifications and rule-based reversal and re-availment treatment. | Track unpaid invoices and make any required reversal or later re-availment. |
| Is the claim within the time limit? | Invoice date, financial year, annual-return date and the law applicable to the period. | Claim, defer or reject based on the applicable deadline. |
The section 16(4) cutoff
The CBIC consolidated text states a general section 16(4) cutoff of 30 November following the end of the relevant financial year, or the date of furnishing the relevant annual return, whichever is earlier. Amendments, notifications, special cases and the facts of the claim can change the analysis. Record the exact financial year and the annual-return date rather than applying the date as a universal shortcut.
Do not rely on an old GSTR-2A circular as a current safe harbor
A CBIC circular discussing GSTR-3B versus GSTR-2A differences is expressly scoped to financial years 2017–18 and 2018–19. It should not be presented as a general current safe harbor for GSTR-2B mismatches. For a live claim, check the current consolidated CGST Act and Rules, notifications and portal guidance.
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Invoice filed after the cutoff
Your register contains an April invoice, but April GSTR-2B does not. The supplier confirms filing in May after the April cutoff. You keep the April invoice in a pending exception queue, verify its appearance in the next open statement and perform the statutory eligibility review for the period in which the credit is claimed. You do not create a manual GSTR-2B line.
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Amendment changes IGST
The original invoice shows IGST of 18,000, while the amendment reduces it to 15,000. The summary reflects a negative differential of 3,000 and the document detail shows the revised amount. Your reconciliation links both records, confirms whether 18,000 was already claimed, and reverses or reports only the net amount required. Claiming 18,000 again from the revised document would duplicate credit.
Bill of entry moves to a corrected GSTIN
A bill of entry first appears under GSTIN A, but customs later corrects it to GSTIN B. You check whether GSTIN A claimed or reversed any credit, reconcile the reversal entry for A and the corresponding record for B, and retain the October 2025 GSTIN-amendment evidence. The accounting entries and both registrations’ returns must agree with the customs record.
Controls that prevent recurring mismatches
Close by exception, not by total
Compare document counts and tax-head totals, but require every unmatched line to have a category and owner. A total that agrees can still conceal one duplicated invoice and one missing invoice.
Separate data status from tax status
Use two fields: one for whether the document matches GSTR-2B or IMS, and another for whether the credit is legally eligible. This prevents an available label from bypassing the blocked-credit, receipt or payment review.
Age supplier follow-ups
Set review dates for missing, pending and corrected documents. Escalate items approaching the applicable time limit, and close an exception only when the later statement, corrected filing or legal decision is attached.
Lock the final return pack
Store the original GSTR-2B download, purchase-register extract, exception register, supporting invoices, supplier correspondence, IMS actions, eligibility sign-offs and GSTR-3B reconciliation together. Note every manual edit to an auto-populated field and preserve the reviewer approval.
Quick Recap
Filing-day checklist
- Correct GSTIN, tax period and monthly or quarterly statement selected.
- Unaltered GSTR-2B Excel or JSON and purchase-register extract saved.
- Supplier GSTIN, document type, number, date, value, tax heads and place of supply matched.
- Amendments and credit notes netted against the original instead of counted twice.
- Missing invoices checked against supplier filing status and statement cutoffs.
- Import and bill-of-entry records reconciled to ICEGATE data and GSTIN amendments.
- IMS records reviewed, with accept, reject or pending decisions supported.
- Blocked credit, receipt, business use, payment, reverse charge and time-limit tests completed.
- Eligible amounts tied to GSTR-3B, edits documented and duplicate checks completed.
- Current GST Portal procedures and consolidated law verified for the relevant period.
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