To claim input tax credit (ITC) under India’s GST, first confirm that each purchase meets the legal conditions for credit, then reconcile the supporting documents with GSTR-2B, and report only the eligible amount in GSTR-3B after accounting for any required reversals. A line in GSTR-2B is useful evidence of supplier reporting, not proof by itself that the credit is legally available.
How do I claim input tax credit under GST?
Review ITC invoice by invoice. Before including an amount in your return, establish that the document, purchase, receipt, business use and supplier reporting meet the applicable requirements. Then check for restrictions, reversals and the deadline for claiming credit.
Check the legal conditions for each purchase
Section 16 of the CGST Act sets out core conditions for taking credit. In general, check that:
- You are a registered person and hold a valid tax invoice, debit note or other prescribed document.
- The goods or services were received. For goods received in lots or instalments, credit is taken when the last lot or instalment is received.
- The purchase was made for business purposes. Credit relating to non-business use or exempt supplies may need to be apportioned or excluded.
- The supplier has furnished the document details and those details have been communicated to you, subject to any applicable statutory exception.
- The tax has been paid to the government and you have furnished the required return.
- No restriction applies under the blocked-credit rules or another relevant provision.
GSTR-2B can help verify supplier-reported details, but it does not establish facts such as whether you received the goods, whether the purchase was for business, or whether a blocked-credit provision applies. A document’s appearance in the statement does not replace those checks.
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Keep a document-level decision trail
For each invoice or debit note, record the amount reported, the amount supported by your books, the eligibility decision and the reason for any difference. Retain the source document, evidence of receipt, accounting entry, reconciliation, supplier correspondence and workings for reversals or reclaims. This lets your team explain how the amount reported in the return was determined.
How do I reconcile GSTR-2B with my books?
GSTR-2B is a static, read-only statement intended to help taxpayers prepare GSTR-3B. The GST Portal advises taxpayers to reconcile it with their own records and books of account. Use the statement for the relevant period alongside your purchase register, but do not change a return simply to make the figures agree.
Build a document-level reconciliation
Compare each purchase-register line with the corresponding GSTR-2B record. A practical workbook can include:
- Supplier GSTIN and name
- Invoice or debit-note number, date and tax period
- Taxable value, tax components and total tax
- Place of supply, where relevant
- Purchase-register and GSTR-2B status
- Difference amount and eligibility or reversal status
- Next action, action owner and resolution date
This is a suggested working format, not a prescribed GST form. Keep separate statuses for “reported by supplier,” “matched to books,” “legally eligible,” “claimed,” “reversed” and “reclaimed.” Those distinctions help prevent a reported line from being treated as eligible without review, or a later appearance from being claimed twice.
Investigate differences in a consistent order
- Confirm the period and statement. Match the books to the relevant GSTR-2B. The GST Portal’s current GSTR-2B FAQ states that the monthly statement is generated on the 14th of the succeeding month. Treat that as a statement-generation schedule, not a guarantee that every supplier document will be present by then.
- Check whether the supplier filed after the cut-off. A document furnished after the relevant statement cut-off may appear in a later open GSTR-2B. Track it as pending, monitor later statements and claim it only once, when the applicable conditions are met.
- Compare the document fields. Check the supplier GSTIN, invoice number and date, taxable value, tax amount, amendments and place of supply where relevant. Manual entry differences, including invoice-number capture, can prevent a match. Establish whether the supplier’s filing or your books need correction.
- Trace credit notes and amendments with the original. Work out the net effect of the original document and each adjustment together. Do not treat an amended document as a second, independent credit for the same supply.
- Read any “not available” or restricted status, then check the law separately. The Portal’s status covers stated scenarios, including the section 16(4) time bar and specified place-of-supply mismatches; it is not a complete list of every reason ITC may be unavailable.
- Separate reverse-charge entries from ordinary supplier-tax credit. Reverse-charge tax must be paid by the recipient as applicable before the related credit can be taken. Follow the current return instructions for reporting the liability and any eligible credit; do not treat the statement entry as ordinary supplier-charged tax.
- Complete the eligibility review even when figures match. Check receipt, business use, exempt or non-business apportionment, blocked-credit rules, payment conditions and duplicate claims. A clean match is not a legal sign-off.
Why is an invoice missing from GSTR-2B?
A missing line can reflect timing or a reporting problem; it does not, on its own, show which one occurred. Check the supplier’s filing status and the statement cut-off first. If the supplier furnished the document details after that cut-off, it may be reflected in a later open statement. If it remains absent or the details are wrong, contact the supplier with the specific document fields that need attention and preserve the request and response.
Do not claim a missing document solely because it appears in your purchase register or you have paid the supplier. Supplier furnishing and communication are part of the statutory eligibility framework, subject to applicable exceptions. Record the issue as unresolved until you establish the relevant facts and legal treatment; do not claim it twice if it later appears in GSTR-2B.
What should I do if the ITC amount does not match?
Find the cause of the variance before deciding whether to correct the books, ask the supplier to correct its filing, defer the claim, or report a reversal. The right action depends on which record is wrong and whether the credit is eligible.
- Books show more tax than GSTR-2B: check supplier filing and timing, then compare invoice details. Ask the supplier to furnish or amend inaccurate or missing information where appropriate. Keep the amount pending rather than assuming the difference can be resolved by changing your return.
- GSTR-2B shows more tax than the books: check for an unrecorded invoice, duplicate entry, wrong period, amendment or credit note. Do not claim the extra amount until you have verified the underlying document, receipt and eligibility.
- Invoice number, date, GSTIN, value or tax differs: identify whether the source invoice, your data entry or the supplier’s return is incorrect. Correct the record that is wrong and retain the supporting document or supplier confirmation.
- A credit note or amendment changes the value: reconcile the original and adjustment documents as a set, calculate the net amount and make sure the same credit is not counted under both records.
- The amount matches but some credit is ineligible: exclude or reverse the ineligible portion. Consider blocked credit, exempt or non-business use, incomplete receipt, duplicate claims and payment-related requirements.
- The difference relates to reverse charge: separate the recipient’s tax liability and any resulting eligible credit from ordinary inward supplies on which the supplier charges tax.
Not every mismatch is fixed by the recipient editing a return. Depending on the cause, the required action may be supplier-side reporting or amendment, a correction in your books, a later-period claim, or a reversal. Keep the reason, action and outcome attached to the document record.
How should I report eligible ITC and required reversals in GSTR-3B?
Use GSTR-2B as an input to your return preparation, then self-assess the eligible credit and any required reversals under the applicable law. The GST Portal says system-populated GSTR-3B fields are editable; an auto-populated figure is not a legal conclusion. Use the current form and portal instructions to place each amount in the appropriate section.
- Start with the reconciled, document-level list—not a copied statement total.
- Remove amounts that fail the eligibility review or are duplicated.
- Calculate any required apportionment or reversal, and keep the working showing the basis and period.
- Report the resulting eligible credit and reversals in the appropriate GSTR-3B fields, checking current filing instructions.
- After filing, save the filed return and tie its reported amounts back to the reconciliation and reversal workings.
If an amount is temporarily reversed and may be reclaimed later, maintain a separate record of the original claim, reversal and the event that permits re-availment. Do not mark it reclaimed merely because the original invoice reappears in a later statement.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.When must I reverse or apportion ITC?
Credit can require adjustment even when a document is valid and appears in GSTR-2B. For example, the law may require apportionment when inputs or services are used partly for non-business purposes or exempt supplies, and section 17(5) blocks credit for specified categories. Review the facts and the applicable provisions rather than relying on the portal status alone.
Supplier payment after 180 days
Under section 16(2), other than for reverse-charge supplies, if you do not pay the supplier the value of the supply plus tax within 180 days from the invoice date, the Act provides for payment of an amount equal to the ITC availed, with applicable interest, in the prescribed manner. Credit may be availed again when you pay the supplier. Apply the relevant rules to the facts, including part-payments and any applicable exception, and keep payment evidence with the adjustment working.
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What is the last date to claim ITC?
The general rule in section 16(4) is that ITC for an invoice or debit note cannot be taken after 30 November following the end of the relevant financial year, or the date the relevant annual return is furnished, whichever is earlier. Applicable special provisions and current law can affect a particular case, so confirm the rule for the financial year and taxpayer circumstances rather than treating 30 November as an unconditional deadline.
For an invoice or debit note pertaining to FY 2025–26, the general date is 30 November 2026, unless the relevant annual return is furnished earlier. Check any applicable statutory exception. Schedule a cut-off review well before the deadline so your team has time to resolve missing supplier reporting, document errors and eligibility questions.
What records should I retain?
Keep a file or electronic trail that allows another reviewer to follow the decision from source document to return. Depending on the transaction and issue, retain:
- The invoice, debit note, credit note and any amended document
- Evidence that the goods or services were received, including records for goods received in lots
- The purchase-register entry and relevant GSTR-2B record
- The reconciliation result, difference explanation and eligibility assessment
- Supplier requests, replies and evidence of any correction or later reporting
- Payment evidence and workings for reversals, apportionment and reclaims
- The GSTR-3B filed and the tie-out from the reconciliation to amounts reported
GST requirements and portal behavior can change. For a disputed, material or unusual claim, have an Indian GST professional review the documents and the law applicable to that period.
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