1. First understand GST refund — before opening RFD-01
The biggest mistake in refund work is starting with the portal form instead of first deciding why the money is refundable. GST refund is not one single calculation. Different refund reasons have different eligibility conditions, relevant dates, documents, formulas and filing routes.
Why did the excess amount arise?
Which refund category legally covers it?
How should the claim be calculated and supported?
2. What exactly is a GST refund?
A GST refund is a statutory mechanism through which an eligible taxpayer or other eligible person can recover tax, interest or another amount paid under GST, subject to the conditions, exclusions, documentary requirements and time limits applicable to that particular category.
Why does the GST system create refunds?
GST is designed as a value-added tax. In many normal transactions, tax collected on outward supplies ultimately offsets the eligible tax paid on inward supplies. But certain business models create situations where tax or ITC accumulates or an amount is paid that should ultimately be returned.
A manufacturer exports goods without payment of IGST under LUT. Eligible input tax credit can accumulate because the export itself does not generate domestic output tax. The law provides a refund route for eligible unutilised ITC.
An exporter pays IGST on an export invoice. For eligible export-of-goods transactions, the shipping bill route can operate as the refund application mechanism under Rule 96, subject to the prescribed conditions.
A business purchases taxable inputs at a higher GST rate and sells its qualifying output at a lower rate. Eligible ITC can accumulate, and a refund mechanism exists for qualifying inverted-rate accumulation.
A taxpayer deposits ₹5 lakh in the electronic cash ledger but later needs only ₹3 lakh for tax and other eligible liabilities. The excess cash balance can be refundable subject to the applicable procedure.
Refund is different from ITC
| Concept | What it means | Can you automatically take cash out? |
|---|---|---|
| Electronic Credit Ledger | Eligible ITC available for utilisation against GST liabilities. | No. A ledger balance is not automatically refundable. |
| Electronic Cash Ledger | Money deposited with GST for payment of liabilities. | Eligible excess cash can be claimed as refund. |
| Refund claim | A statutory claim under a specific refund category. | Yes, if eligibility and procedure are satisfied. |
3. Refund decision map — which refund should your business use?
Before preparing any calculation, answer the following questions in order.
Did you export goods?
Did you export services?
Is the supply to an SEZ?
Is ITC accumulating because input rate is higher?
Is cash sitting unused in the cash ledger?
Was tax paid in excess / wrong manner?
| Your situation | Likely refund route | Main thing to prove |
|---|---|---|
| Export of goods with IGST paid | Shipping bill / export refund mechanism | Export and return/shipping bill data consistency |
| Export of goods/services without payment of tax | Refund of eligible unutilised ITC | Zero-rated supply + eligible ITC + formula |
| Export of services with IGST paid | Applicable refund application route | Export-of-service conditions + payment realisation + tax payment |
| Supply to SEZ | Zero-rated refund route, subject to conditions | SEZ endorsement / authorised operations and supply data |
| Inverted duty structure | Unutilised ITC refund under applicable formula | Eligible inverted supplies + input ITC + formula |
| Excess balance in cash ledger | Cash ledger refund | Actual cash balance and refund claim |
| Wrong tax paid / intra-state vs inter-state issue | Specific statutory refund route | Proof of original payment and corrected tax treatment |
| Deemed export | Deemed-export refund route | Eligibility, invoices and required evidence/undertakings |
| Refund arising from appellate/order proceedings | Refund based on order/payment evidence | Order, payment and amount refundable |
4. Types of GST refunds — understand each category separately
Refund of IGST paid on eligible exports through the prescribed export mechanism, or refund of unutilised ITC where exports are made without payment of tax.
Usually involves proving the export-of-service conditions and, where relevant, realisation of consideration.
Zero-rated supplies to an SEZ unit/developer for authorised operations can qualify subject to the prescribed evidence.
Eligible unutilised ITC arising from a qualifying inverted rate structure may be refundable under the applicable formula and exclusions.
Excess balance in the electronic cash ledger can be claimed back through the prescribed route.
Examples include certain excess tax payments and tax paid under the wrong classification or tax type where the law permits refund.
Specified supplies treated as deemed exports can have a refund mechanism subject to prescribed conditions.
Refund may arise from an adjudication, appellate or other legally relevant order.
Specific statutory and notified situations may create refund entitlement. The correct category must always be identified first.
5. Section 54 — the foundation of GST refund law
Section 54 of the CGST Act is the central provision governing refunds of tax, interest and other amounts, including refund of eligible unutilised ITC in specified cases. The general application time limit is linked to the relevant date.
What does “two years from the relevant date” actually mean?
It does not mean every refund has a universal two-year date calculated from the invoice date. The relevant date depends on the refund category. For example, exports, deemed exports, SEZ supplies, inverted duty claims and other categories can have different relevant-date rules.
Refund deadline = relevant date for that refund category + applicable statutory period.
Never calculate the deadline merely by looking at the purchase invoice date.
Refund of unutilised ITC is not available for every business situation
Section 54(3) specifically restricts refund of unutilised ITC to specified situations, principally qualifying zero-rated supplies made without payment of tax and qualifying accumulation arising from an inverted rate structure, subject to the statutory exclusions and notified restrictions.
6. Relevant date and the two-year time limit
Refund filing deadline — do not simply remember “two years”
For most GST refund categories, Section 54 works on a two-year period from the relevant date. The critical point is that the relevant date changes with the nature of the refund. The table below is the practical calendar an accounts team should use before preparing RFD-01.
| Refund situation | Relevant date for the two-year window | Practical action |
|---|---|---|
| Export of goods by sea/air | Date the ship/aircraft carrying the goods leaves India. | Keep shipping bill, export proof and GSTR-1/3B trail linked to the shipment. |
| Export of goods by land | Date the goods pass the customs frontier. | Do not use the invoice date as a blanket deadline. |
| Export of goods by post | Date the goods are dispatched by the concerned post office outside India. | Retain the postal/export evidence. |
| Deemed exports | Date the return relating to the deemed export is furnished. | Keep the relevant return ARN/filing proof and recipient/supplier undertaking as applicable. |
| Supply to SEZ | Due date for furnishing the return under Section 39 for the relevant supplies. | Track the tax period and specified-officer endorsement. |
| Export of services — payment received after service | Date payment is received in convertible foreign exchange, or INR where permitted. | Reconcile invoice to BRC/FIRC/other permitted realization evidence. |
| Export of services — advance received before invoice | Date the invoice is issued. | Do not automatically use the date of receipt of advance. |
| Inverted duty structure | Due date for the Section 39 return for the relevant period. | Prepare the refund computation period-wise. |
| Refund arising from judgment/decree/order | Date the relevant order/judgment/decree/direction is communicated. | Preserve the order and communication evidence. |
| Provisional assessment | Date tax is adjusted after final assessment. | Keep provisional and final assessment documents together. |
| Any other refund | Generally, date of payment of tax/amount, subject to the specific statutory rule applicable. | Identify the exact legal category before calculating the limitation date. |
| Excess electronic cash ledger | The normal Section 54(1) two-year limitation does not apply. | Use the specific cash-ledger refund route; do not reject a claim merely because it is older than two years. |
This is one of the most important concepts for refund work because a technically correct claim can still fail if filed after the applicable limitation period.
| Refund situation | Relevant-date concept to examine | Practical working |
|---|---|---|
| Export of goods | Depends on the export mode and the statutory definition of relevant date. | Keep shipping bill/export evidence and determine the date from the applicable provision. |
| Export of services | Linked to receipt of payment / prescribed export-service circumstances. | Maintain invoice-wise FIRC/BRC/bank realisation evidence as applicable. |
| Deemed exports | Linked to the relevant return period under the statutory framework. | Map each invoice to the return in which the supply was reported. |
| Inverted duty ITC | Linked to the relevant tax period under the applicable Section 54 framework. | Do not wait until year-end; maintain monthly refund workings. |
| SEZ supplies | Determine the relevant date according to the applicable zero-rated refund provision. | Keep SEZ endorsement and invoice period mapping ready. |
7. Unjust enrichment — why the department asks whether tax was passed to someone else
Refund law contains the principle of unjust enrichment. The basic commercial idea is simple: a taxpayer should not receive a refund from the government if the taxpayer has already recovered that tax from another person, subject to statutory exceptions.
If the tax burden has effectively been passed to the customer, refund to the supplier can raise an unjust-enrichment issue.
These categories are treated differently under the statutory framework and are subject to specific rules/exceptions.
What should an accountant check?
- Was GST separately recovered from the customer?
- Does the sales invoice and accounting ledger support the position?
- Has the refund amount been included in customer receivables or recovered elsewhere?
- Is the claim within a category where the unjust-enrichment test is treated differently?
- Are declarations/certificates required for the amount and category?
8. Export of goods — two different refund concepts
Exporters often mix up two completely different mechanisms:
| Method | What happens | Where the refund arises |
|---|---|---|
| Export with payment of IGST | Exporter charges IGST on the export invoice and pays it through the GST system. | For eligible export-of-goods cases, Rule 96 provides the shipping-bill based refund mechanism. |
| Export without payment of IGST | Exporter supplies under LUT/bond as applicable and does not charge IGST on the export invoice. | Refund is generally based on eligible unutilised ITC and the prescribed refund formula. |
Export with IGST — understand the data chain
Correct GSTIN, value and tax
Correct export declaration
Invoice must be correctly reported
Tax liability reported/paid
Refund mechanism
9. Export of services — concept clarity before claiming refund
Export of services is conceptually different from export of goods. You cannot treat every invoice raised to a foreign customer as an export of service. The transaction must satisfy the statutory conditions for export of services.
Think through the five core questions
- Who is the supplier?
- Who is the recipient?
- Where is the recipient located?
- Where is the place of supply?
- How and when is consideration received in the permitted manner?
Why foreign currency creates confusion
Invoice value, accounting value and bank realisation can differ because of exchange-rate movement, bank charges and timing. The refund working should clearly show how the export turnover used in the claim has been derived and how realisation evidence relates to the invoices.
10. Supplies to SEZ — zero-rated does not mean “skip the documentation”
Supplies to an SEZ unit or SEZ developer can qualify as zero-rated supplies when the statutory conditions are met. The critical practical issue is proving that the supply is genuinely for authorised operations and obtaining the required endorsement/evidence.
Correct recipient details
Goods/services actually supplied
Evidence for authorised operations
Invoice appears correctly
Correct category and working
11. Inverted duty structure — understand the concept before touching the formula
An inverted duty situation generally arises when the GST rate on qualifying inputs is higher than the GST rate on the outward supply, causing ITC to accumulate. But not every low-output-rate business automatically qualifies. The statutory conditions, notified exclusions and the applicable formula must be examined.
Higher tax rate
Credit builds up
Lower tax rate
Refund may be available if eligible
Example — manufacturer
Do not copy this formula blindly into every situation. The definitions of turnover, Net ITC, adjusted total turnover, relevant period and the treatment of inputs/input services must be taken from the applicable rule for the period of claim.
Refund working should separately identify
- Inverted-rated outward turnover
- Non-inverted outward turnover
- Eligible input ITC
- Input-service ITC
- Blocked/ineligible credits
- Credit notes and amendments
- Tax paid on inverted-rated supplies
- Adjusted total turnover
- ITC already utilised and closing balance
12. Excess balance in the Electronic Cash Ledger
This is one of the simplest refund categories conceptually, but businesses still make avoidable errors because they confuse cash ledger with credit ledger.
Cash ledger vs credit ledger
| Ledger | Source | Can excess be refunded? |
|---|---|---|
| Electronic Cash Ledger | Money deposited/credited as cash, including applicable TDS/TCS credits and other cash entries. | Eligible excess balance can be claimed. |
| Electronic Credit Ledger | Eligible ITC. | Only where a statutory refund category permits it. |
Example
A company deposits ₹10,00,000 into the cash ledger. After filing the return and paying liabilities, ₹3,50,000 remains genuinely excess and is not needed for immediate liabilities. The company can examine the cash-ledger refund route instead of leaving the money idle.
13. Excess payment of tax — first identify why the excess arose
“Excess tax payment” is not a sufficient refund description. You should identify the transaction that created the excess.
Tax liability was paid twice because a challan/payment was repeated.
Tax was paid and later the underlying transaction was cancelled/adjusted, subject to the applicable legal and reporting conditions.
A tax amount was paid in a return but a subsequent lawful correction reduced the actual liability.
Payment was deposited into cash ledger but not required for discharge of liabilities. This is analysed separately from tax paid on an outward supply.
The correct refund route depends on the facts. Prepare a transaction trail showing original liability → payment → correction/event → final liability → excess amount → refund basis.
14. Wrong tax paid — understand Section 77 / related correction concepts
A classic practical situation is where a supplier initially treats a supply as intra-State and pays CGST + SGST, but the transaction is subsequently determined to be inter-State and IGST is payable. The refund of the tax paid under the wrong treatment is governed by the applicable statutory mechanism.
Intra-State
CGST + SGST
Inter-State
IGST
Wrongly paid tax, subject to law
15. Deemed exports — refund is not the same as zero-rated export
Deemed exports are domestic supplies that are treated as deemed exports under the notified framework. They are conceptually different from exports of goods outside India.
Why this matters
A deemed export transaction does not become an export merely because the recipient is an eligible project or because the goods eventually have an international connection. The transaction must fall within the applicable deemed-export framework.
16. Refund arising from an adjudication, appellate or other order
Sometimes refund is not created by an export or ITC formula. It arises because an order determines that an amount paid or recovered is refundable.
Taxpayer pays tax, interest, penalty or another amount.
Adjudication, appeal or other statutory process occurs.
The order creates or confirms an amount refundable.
Map the order amount to actual payment and any adjustments.
File through the applicable mechanism and maintain the order/payment evidence.
17. Provisional assessment and refund
Where tax was paid on a provisional basis and the final assessment results in an amount refundable, the refund documentation must connect the provisional payment with the final assessment order.
What should be attached to the working file?
- Provisional assessment order
- Final assessment order
- Payment evidence
- Return reconciliation
- Calculation of excess amount
- Evidence of any amount already adjusted/refunded
18. Other specified refund situations — never force a transaction into the wrong category
GST refund law also contains specific situations such as refunds arising from certain statutory payments, specified persons and other legally defined circumstances. The correct route depends on the exact facts and the applicable provision.
This discipline prevents a common error: choosing “excess payment” merely because it is the closest-looking option on the portal.
19. Refund calculation — how to build a defensible working
A refund working should be reproducible by another accountant. It should not be a single number typed into RFD-01.
Recommended refund working structure
| Column | Purpose |
|---|---|
| Invoice number | Unique transaction reference |
| Invoice date | Period and time-limit mapping |
| Customer / recipient | Eligibility and reconciliation |
| Supply type | Export / SEZ / domestic / inverted etc. |
| Taxable value | Refund turnover calculation |
| IGST / CGST / SGST | Tax trail |
| Return reference | GSTR-1 / GSTR-3B mapping |
| Shipping bill / SEZ endorsement / FIRC | Supporting evidence |
| Eligible refund amount | Final amount entering the calculation |
Example — unutilised ITC refund for zero-rated supply
Assume a business has qualifying zero-rated turnover and eligible Net ITC for the relevant period. The refund is determined using the statutory formula applicable to the category, not by simply claiming the closing electronic credit ledger balance.
Illustrative logic: Determine eligible zero-rated turnover → determine eligible Net ITC → determine adjusted total turnover → apply the prescribed formula → compare with available eligible credit → remove ineligible/blocked amounts → final claim.
Important: The exact statutory definitions, exclusions and period-specific amendments must be applied to the formula. Your working should preserve the underlying invoice and ITC population so that every number can be traced.
Why refund calculation often gets rejected
- Turnover used in formula does not reconcile to GSTR-1/books.
- ITC includes blocked or otherwise ineligible credits.
- Credit notes/amendments were not considered.
- Invoices are outside the relevant period.
- Export turnover includes values that do not meet the applicable definition.
- Claim exceeds the amount actually eligible under the formula.
- Same ITC is effectively used in another refund or tax adjustment.
20. GST refund documents — exact data and documents to arrange before filing
This is the part of the refund process where most practical problems occur. Do not start with RFD-01. Start by building the refund evidence file. The exact documents depend on the refund category, and some items are entered as online statements/declarations while others are uploaded as supporting documents.
20.1 Common data pack — keep this ready for almost every registered-person refund
| Data / document | What exactly to arrange | Why it matters |
|---|---|---|
| GST registration data | GSTIN, legal name, trade name, registered address, jurisdiction and authorised signatory details. | Confirms the claimant and the GST registration against which the refund is filed. |
| Refund period | Tax period(s), relevant date, last permissible filing date and whether periods are clubbed within the permitted framework. | Prevents limitation and period-selection errors. |
| GSTR-1 | Relevant outward supply data, invoice numbers, dates, taxable values, tax amounts, amendments and credit/debit notes. | Refund turnover and export/SEZ data must reconcile with reported supplies. |
| GSTR-3B | Relevant return(s), tax payment, ITC availed, reversals and refund-related reporting. | Connects the claim with the actual tax/ITC position. |
| Electronic credit ledger | Ledger around the claim period and refund debit amount where ITC refund is claimed. | Shows availability and debit of the credit being claimed. |
| Electronic cash ledger | Ledger showing tax/fee/other deposits and available balance where cash refund is involved. | Essential for excess cash ledger and payment-related claims. |
| Bank account | Refund bank account details as maintained/validated on the portal; keep cancelled cheque/bank proof available where required for verification. | Refund disbursement depends on valid bank details. |
| Refund history | Earlier refund applications, ARN, period, category, amount claimed, amount sanctioned/rejected and re-credit details. | Prevents duplicate claims and helps answer officer queries. |
| Invoice-level reconciliation | Invoice number/date, supplier/customer details, taxable value, tax, eligibility, credit notes and relevant supporting evidence. | Allows every amount in the refund working to be traced to source records. |
20.2 The master rule: separate “online statement” from “supporting document”
For a professional refund file, maintain four folders or working tabs:
RFD-01 data, invoice statements and category-specific annexures.
Undertakings, declarations, certificates and CA/CMA certification where applicable.
Invoices, shipping bills, BRC/FIRC, SEZ endorsements, orders and payment proof.
GSTR-1, GSTR-3B, GSTR-2B, ledgers, books and calculation workings.
20.3 Category-wise exact document checklist
| Refund category | Data / statements to prepare in the refund application | Supporting documents to arrange / upload | Internal working papers to keep ready |
|---|---|---|---|
| 1. Export of goods without payment of IGST (LUT/bond route) | Export invoice population; shipping bill/bill of export details; applicable refund statement; zero-rated turnover and Net ITC working; declarations/undertakings required by the portal. | Relevant GSTR-2B for the ITC population; invoice statement; shipping bill/bill of export evidence where applicable; for non-EDI ports, shipping bill/bill of export evidence is particularly important. For export services under the same ITC-refund route, BRC/FIRC or other prescribed realization evidence is relevant. | Export invoice-to-shipping-bill mapping; GSTR-1 reconciliation; LUT details; ITC eligibility and 2B reconciliation; credit/debit note and amendment working; refund formula. |
| 2. Export of services without payment of IGST | Service-export invoice statement; BRC/FIRC/realisation details; zero-rated turnover and Net ITC statement; declarations/undertakings required for the claim. | BRC/FIRC or other acceptable evidence of receipt of export proceeds; invoices; relevant GSTR-2B for ITC refund; supporting contracts/PO/SOW where needed to establish the nature of service and invoice linkage. | Invoice-wise foreign-currency/INR realization mapping; export-service eligibility test; place-of-supply working; LUT; GSTR-1/3B reconciliation; ITC 2B reconciliation. |
| 3. Export of services with payment of IGST | Export-service invoice statement and the prescribed refund statement for tax paid on export of services. | BRC/FIRC or other document evidencing receipt of sale proceeds; export invoices; relevant return data; supporting contract/PO and realization reconciliation where required; self-declaration for provisional refund where applicable. | Invoice-to-BRC/FIRC mapping; IGST actually paid; GSTR-1/GSTR-3B reconciliation; foreign inward remittance reconciliation; customer/contract evidence. |
| 4. Supplies to SEZ without payment of tax | Invoice statement; SEZ supply statement; endorsement/declaration required for authorised operations; zero-rated refund calculation. | Specified Officer/SEZ endorsement confirming receipt of goods/services for authorised operations; relevant GSTR-2B for ITC-refund claims; invoices; supporting documents for invoices not reflected in the automated data where the applicable procedure permits them. | Invoice-to-SEZ-endorsement mapping; GSTR-1; SEZ recipient details; authorised-operation evidence; ITC eligibility and refund formula. |
| 5. Supplies to SEZ with payment of tax | Invoice statement; SEZ endorsement details; tax-paid refund statement; required declarations/undertakings. | Endorsement from the specified officer regarding receipt of goods/services for authorised operations; invoices; payment/tax evidence; self-declaration regarding provisional refund where applicable. | Invoice-to-endorsement mapping; IGST payment reconciliation; GSTR-1/3B; SEZ documentation and customer confirmation. |
| 6. Inverted duty structure — unutilised ITC | Statement of invoices; Annexure/statement prescribed for inverted-duty refund; declaration under Section 54(3)(ii); required undertaking; unjust-enrichment declaration/certificate as applicable. | Relevant GSTR-2B; invoice statement; self-certified invoice copies only where the applicable procedure calls for supporting evidence; other category-specific evidence. | HSN/SAC-wise output tax-rate working; input-rate mapping; eligible Net ITC; adjusted total turnover; tax payable on inverted supplies; formula calculation; excluded/ineligible credits; credit-note/amendment working. |
| 7. Deemed export — supplier claims refund | Statement 5B / prescribed invoice statement; required declaration/undertaking; Section 16(2)(c) undertaking and unjust-enrichment declaration/certificate as applicable. | Evidence prescribed for deemed exports: receipt/acknowledgement by the jurisdictional tax officer of the Advance Authorisation/EPCG holder, or tax invoice duly signed by the recipient EOU confirming receipt; undertaking from recipient that ITC has not been availed; undertaking that recipient will not claim the refund where supplier is claiming it. | Deemed-export eligibility; notification category; recipient authorisation details; tax payment; invoice and receipt confirmation; recipient undertaking; proof that refund is not claimed twice. |
| 8. Deemed export — recipient claims refund | Statement 5B; declaration that claim relates only to eligible invoices; undertaking that supplier has not claimed refund; other prescribed declarations. | Documents prescribed for deemed-export recipient claims; tax invoices; supplier confirmation/undertaking; proof of tax payment and eligible ITC where applicable. | Invoice-to-return mapping; ITC actually availed; refund amount not exceeding the eligible amount; supplier non-claim confirmation. |
| 9. Excess tax payment / tax paid in excess | Statement prescribed for excess tax payment; tax-period and tax-head details; refund amount; declarations/certificates as applicable. | Invoices, returns, challans/payment proof, debit/credit note or correction evidence, and documents establishing why the tax was paid in excess. Where unjust enrichment applies, declaration/certificate must be prepared as required. | Original vs corrected tax calculation; customer recovery test; ledger; GSTR-1/3B; tax payment reconciliation; evidence of non-passing of incidence. |
| 10. Wrong tax paid — intra-State treated as inter-State or vice versa | Statement 6; details of original tax payment and corrected tax position; Section 16(2)(c) undertaking where applicable. | Tax invoices; GSTR-1/3B; proof of original payment under wrong head; evidence supporting the correct nature of supply/place of supply; proof of tax paid under the correct head where relevant. | Place-of-supply analysis; original tax ledger; corrected tax payment; invoice/customer reconciliation; refund amount by tax head. |
| 11. Refund pursuant to assessment / provisional assessment / appeal / revision / court or other order | Order reference number; order details; refund amount; applicable declarations/undertakings. | Copy of the final order; reference number; proof/reference of any pre-deposit/payment for which refund is claimed; appeal order chain where applicable. | Order-to-payment reconciliation; amount already refunded/adjusted; demand ledger; interest calculation where applicable; copy of earlier refund applications. |
| 12. Refund on any other ground / supply not provided / excess amount | RFD-01 reason-specific statement and explanation of the claim. | Documents proving the factual basis of the refund: invoices, agreements, cancellation/refund voucher, payment proof, tax payment proof, correspondence and any order or statutory evidence applicable to the case. | Complete chronology, legal basis, original accounting entry, reversal/credit note, customer refund evidence, tax payment and unjust-enrichment analysis. |
20.3A Refund annexures — what the accountant should actually prepare
There are two different things people commonly call “refund annexures”. First are the statements/declarations/undertakings/certificates forming part of the refund filing process. Second are the supporting documents and invoice-level data uploaded for verification. The ICAI January 2026 Handbook separates these into its Annexure II and Annexure III checklists and reproduces the invoice-level Annexure IV for accumulated-ITC claims.
Annexure II — filing statements / declarations
Use the category-specific online statements, declarations, undertakings and certificates. Depending on the claim these can include:
Annexure III — supporting document checklist
This is the evidence pack uploaded with the claim. It varies by refund category and may include GSTR-2B, invoice copies, BRC/FIRC, shipping bills, SEZ endorsements, orders, agreements and other prescribed evidence.
Annexure IV — invoice statement for unutilised ITC
Prepare invoice-level data for each eligible inward supply. Do not treat the total ITC in GSTR-2B as the refund statement by itself.
RFD-01 / Annexure-B workflow
For accumulated-ITC refund categories, the portal may require the prescribed invoice statement/Annexure-B workflow. In 2026 GSTN has also introduced an offline utility process for Annexure-B in relevant refund applications, so the preparer should use the current portal utility rather than an old PDF/template.
Annexure IV — exact invoice data to prepare
| Field | What to prepare | Control point |
|---|---|---|
| Supplier GSTIN | GSTIN exactly as appearing in the purchase/ITC record. | Match against GSTR-2B. |
| Supplier name | Supplier legal/trade name. | Keep consistent with books. |
| Invoice number/date | Original invoice number and date. | Normalise numbering before reconciliation. |
| Invoice value | Total invoice value. | Reconcile to books and GST data. |
| Nature of inward supply | Inputs / input services / capital goods. | Classify correctly. |
| HSN/SAC | Applicable HSN/SAC where required. | Use source invoice/books. |
| Tax amounts | CGST, SGST/UTGST, IGST and Cess. | Tax totals must reconcile to eligible ITC. |
| ITC eligibility | Yes / No / Partially. | Exclude blocked/ineligible ITC. |
| Eligible ITC amount | Actual ITC considered for refund. | Do not blindly use gross tax on invoice. |
20.4 Excess balance in electronic cash ledger — a different document logic
If the refund is simply of an excess balance in the electronic cash ledger, do not apply the normal ITC-refund document checklist mechanically. The portal provides a separate refund reason for excess cash ledger balance, and the amount is linked to the available cash ledger balance. CBIC has also clarified that the general two-year limitation in Section 54(1) does not apply to this category and that the Rule 89(2)(l)/(m) unjust-enrichment declaration/certificate is not required for excess cash ledger refund.
20.5 What data should be in your invoice master before RFD-01?
| Field | For export / SEZ / deemed export | For inverted duty / ITC refund |
|---|---|---|
| Invoice number & date | Mandatory reconciliation key. | Mandatory reconciliation key. |
| Customer / supplier GSTIN | Customer/export recipient and, for ITC, supplier GSTIN as applicable. | Supplier GSTIN. |
| Taxable value | Export/SEZ/deemed-export value and formula population. | Input invoice value / output turnover population. |
| Tax amounts | IGST paid or zero-rated status. | CGST/SGST/IGST/Cess and eligible ITC. |
| Shipping bill / bill of export | Number, date and linkage for goods exports. | Normally not applicable. |
| BRC/FIRC / realisation | Invoice-wise service export realization where applicable. | Normally not applicable. |
| SEZ endorsement | Endorsement number/date and invoice mapping. | Only where SEZ is the refund basis. |
| GSTR-2B status | Relevant for ITC-refund component. | Critical for post-01.01.2022 ITC refund verification. |
| ITC eligibility | Eligible / ineligible / partially eligible. | Invoice-wise eligible ITC and category. |
20.6 GSTR-2B is now a critical refund-control document for accumulated ITC claims
For refund claims of accumulated ITC under Section 54(3), Circular 197/09/2023-GST clarified that for tax periods from 1 January 2022 onward, the admissible ITC for refund is linked to invoices reflected in the applicant's GSTR-2B for the relevant or earlier period, subject to the applicable law and specified exceptions. Therefore, your refund working should not simply copy the purchase register or closing ITC ledger.
Practical control: prepare a reconciliation showing Purchase Register → GSTR-2B → GSTR-3B ITC → eligible refund ITC, with separate reasons for missing, ineligible, reversed, amended or duplicate invoices.
20.7 How much should be uploaded?
The portal and applicable procedure prescribe the supporting-document upload facility and file-size limits. Do not assume that uploading every internal working paper is better. Upload the documents needed to establish the claim clearly, and maintain the complete detailed working file internally so that it can be produced if called for.
20.8 Special verification data that may be requested in higher-risk export cases
In export-related verification, officers may examine broader GST, financial and business data. A practical export verification file can therefore include GSTIN-wise turnover, GSTR-1/GSTR-3B liability, ITC and mismatch analysis, previous refund history, e-way bill summary, bank account details, bank statements, BRC/FIRC/eBRC information, IEC and constitution documents, along with other business-existence or transaction evidence where specifically called for.
Important: These broader verification items should not be described as a universal mandatory attachment to every RFD-01. Treat them as a verification-ready file, especially for large, repeated or risk-selected export refund claims.
20.9 Category-wise “prepare this before filing” master list
| Refund category | Core data / statement | Key supporting evidence to keep ready |
|---|---|---|
| Unutilised ITC — exports without payment of tax | Export invoice data, Statement 3/3A, eligible ITC working, relevant GSTR-2B. | GSTR-2B; Annexure-B/invoice statement; self-certified invoice copies where prescribed/missing from 2B; shipping bill for goods through non-EDI port; BRC/FIRC for services. |
| Export services with payment of IGST | Export invoice statement and tax-paid export details. | BRC/FIRC/other permitted realization evidence; GSTR-2B where relevant; invoice statement; missing-in-2B invoice copies where applicable; provisional-refund non-prosecution declaration where applicable. |
| SEZ without payment of tax | Invoice statement and ITC/refund calculation. | GSTR-2B; Annexure-B/invoice statement; missing-in-2B invoices where applicable; specified-officer endorsement for authorised operations/receipt as applicable. |
| SEZ with payment of tax | Tax-paid SEZ supply statement. | Invoices, tax-payment trail and specified-officer endorsement/evidence applicable to the claim. |
| Inverted duty | Statement 1/1A, period-wise turnover and Net ITC computation. | GSTR-2B; invoice statement/Annexure-B; supporting invoices where prescribed; purchase and sales rate analysis; tax-rate working. |
| Deemed exports | Statement 5(B) and category-specific declaration. | Tax invoices, proof of deemed-export eligibility, recipient/supplier undertaking as applicable, payment/tax evidence and ITC details. |
| Excess tax payment | Statement 7 and tax-payment reconciliation. | Relevant return, tax payment/challan/ledger evidence, reconciliation explaining why excess arose and unjust-enrichment documents where applicable. |
| Wrong tax — IGST instead of CGST+SGST or vice versa | Correct tax-payment proof and refund computation. | Original and corrected tax details, relevant invoices/returns, payment evidence and proof that the correct tax has been discharged. |
| Order / appeal / provisional assessment | Claim amount tied to the order and payment record. | Order/judgment/decree, communication proof, pre-deposit/payment proof where applicable, and reconciliation of amount refundable. |
| Excess cash ledger | Cash ledger balance and amount requested. | Electronic cash ledger and return/portal records; this category follows separate limitation and unjust-enrichment treatment. |
| Electricity export | Statement 3B and refund calculation. | REA scheduled-energy statement, tariff agreement, export invoice details and Statement 3A; apply the specific electricity-export procedure. |
| Unregistered person refund | Temporary registration/application data and Statement 8 where applicable. | Original tax invoice/agreement, cancellation/termination evidence, proof of tax paid and proof that tax burden was borne by claimant, as applicable. |
21. How to file GST refund online — step by step
The exact portal screens can change, but the workflow is conceptually straightforward. The important part is selecting the correct refund reason and entering numbers that reconcile with the underlying records.
Login to GST portal
Services → Refunds
Select Application for Refund
Select correct refund reason
Enter period and amount
Upload / validate statements & documents
Submit and authenticate
Before clicking “File”
- Correct GSTIN selected.
- Correct refund category selected.
- Correct tax period / relevant period.
- Refund amount agrees with the working.
- ITC claim is within eligible balance.
- Required returns are filed.
- Supporting statements are complete.
- Bank account details are valid and linked as required.
- Authorised signatory has reviewed the claim.
22. What happens after RFD-01 is filed?
Filing the application does not mean the refund has been sanctioned. The application moves through scrutiny and, depending on the case, acknowledgement, deficiency communication, provisional/final sanction, payment processing or other departmental action.
Application submitted by taxpayer.
Acknowledgement or deficiency communication, depending on the case.
Officer examines eligibility, calculation and supporting evidence.
Provisional refund mechanism in qualifying cases.
Final refund order where applicable.
Payment advice for sanctioned refund.
Bank validation and disbursement can form part of the post-sanction process.
23. What if the department issues a deficiency memo or show-cause notice?
Do not reply with a one-line statement such as “all documents attached”. A good response answers each issue with a fact, calculation and supporting document.
| Department query | Weak response | Professional response |
|---|---|---|
| ITC mismatch | “ITC is correct.” | Invoice-wise reconciliation showing purchase register, GSTR-2B, books, eligibility and ledger. |
| Export turnover mismatch | “Export turnover as per books.” | Shipping bill/invoice/GSTR-1 reconciliation with a difference explanation. |
| Bank realisation | “Payment received.” | Invoice-wise FIRC/BRC/bank statement mapping. |
| SEZ evidence | “SEZ supply.” | Invoice-wise endorsement and authorised-operation evidence. |
| Unjust enrichment | “Not applicable.” | Explain the statutory category and attach the required declaration/certificate where applicable. |
How to draft a refund reply
- Quote the ARN and notice reference.
- Respond issue-by-issue in the same order as the notice.
- Give the exact amount involved.
- Show the calculation.
- Attach the supporting document reference.
- Explain any mismatch rather than hiding it.
- Conclude with the exact refund amount requested.
24. Common GST refund rejection reasons — and how to prevent them
Prevent by documenting the legal basis before filing.
Maintain a formula-driven working and retain the source data.
Reconcile books, GSTR-1, GSTR-3B and refund statement before filing.
Remove blocked/reversed/ineligible credits from the refund population.
Match invoice number, date, value, GSTIN and shipping bill details.
Prepare the documentary file before opening RFD-01.
Track relevant dates monthly instead of relying on memory.
Verify the bank account and registration particulars before filing.
25. Industry-wise practical refund examples
25.1 Export manufacturer
Focus: Export invoice population, shipping/export evidence, GSTR-1, GSTR-3B, purchase/ITC eligibility, formula and electronic credit ledger.
25.2 IT / software service company
Focus: Export-of-service conditions, invoice-wise realisation, LUT, place of supply, GSTR-1/3B and eligible ITC.
25.3 Pharmaceutical manufacturer
Focus: Determine whether the actual outward supplies qualify for inverted-duty refund and apply the period-specific formula.
25.4 Infrastructure / works contractor
Focus: Do not assume refund merely because ITC is high. Analyse the nature of outward supply, rate structure, zero-rating status and blocked ITC rules.
25.5 Trading business
Focus: Cash-ledger refund is conceptually different from ITC refund. Reconcile cash deposits, utilisation and closing balance.
25.6 SEZ supplier
Focus: Recipient eligibility, authorised operations evidence, invoice reporting, endorsement and refund category.
25.7 E-commerce / multi-state business
Focus: Never combine GSTIN-wise turnover, ITC or refund calculations. Maintain separate GSTIN-level workings and evidence.
26. Accounting treatment — how should a company record a refund?
The accounting entry depends on what the refund represents and how the amount was originally recorded. The objective is to ensure that the refund receivable, original tax/ITC balance and eventual bank receipt are not duplicated.
Illustrative entry — refund receivable
To relevant GST / refund adjustment A/c
On receipt of refund
To GST Refund Receivable A/c
These are illustrative accounting structures, not universal entries. The exact entry depends on whether the refund relates to ITC, tax paid, an expense, an order-based recovery, interest or another amount.
27. Month-end refund controls for finance teams
Refund should be treated as a recurring tax process, not a one-time event.
| Frequency | Control |
|---|---|
| Monthly | Identify eligible refund categories and accumulating balances. |
| Monthly | Reconcile GSTR-1 and GSTR-3B with books. |
| Monthly | Reconcile purchase register with GSTR-2B and ITC ledger. |
| Monthly | Track export invoices and bank realisations. |
| Monthly | Track SEZ endorsements and pending evidence. |
| Monthly | Review relevant-date expiry tracker. |
| Before filing | Independent reviewer checks refund category, formula and supporting documents. |
| After filing | Record ARN and monitor portal status. |
| After sanction | Reconcile sanctioned amount, payment advice and bank credit. |
28. GST refund filing checklist
Eligibility
- Correct refund category identified.
- Relevant date determined.
- Application is within the applicable time limit.
- Transaction satisfies the category-specific conditions.
- No duplicate refund claim exists.
Calculation
- Refund formula applied correctly.
- Turnover reconciles to returns/books.
- ITC reconciles to ledgers and eligible population.
- Credit notes and amendments considered.
- Claim does not exceed eligible amount.
Documents
- Invoices and statements ready.
- Export/SEZ evidence ready where relevant.
- Bank realisation evidence ready where relevant.
- Declarations/certificates ready where applicable.
- Payment/order evidence ready where relevant.
Filing
- Correct GSTIN and refund reason selected.
- Required returns filed.
- Bank details valid.
- RFD-01 reviewed by authorised person.
- ARN and acknowledgement saved.
29. GST Refund FAQs — practical answers
Can I claim refund merely because my electronic credit ledger has a high balance?
No. Refund of unutilised ITC is permitted only in specified statutory situations. A high ITC balance by itself does not establish refund eligibility.
Is every export automatically eligible for refund?
Exports are zero-rated, but the refund mechanism depends on how the export is made, the tax/payment route, the applicable conditions and the supporting evidence.
Is export with payment of IGST the same as LUT refund?
No. Export with payment of IGST and export without payment of tax under LUT involve different refund mechanisms.
Do I need to file RFD-01 for every export refund?
No. Export of goods where IGST refund is processed through the prescribed shipping-bill mechanism is distinct from RFD-01 based refund claims such as eligible unutilised ITC. Always identify the specific route.
Can an exporter claim refund of all ITC appearing in GSTR-2B?
No. GSTR-2B is an important reconciliation source, but refund eligibility requires applying the relevant ITC eligibility rules, refund formula and category-specific restrictions.
What is the most important document for export-of-service refund?
There is no single universal document. The claim should be supported by the invoice population, export-of-service eligibility evidence, return reporting and payment-realisation evidence where required.
Can I claim refund of excess cash ledger balance?
Eligible excess cash can be claimed through the prescribed refund process. The cash ledger balance and filing conditions should be checked before filing.
What happens if the department finds a deficiency?
The taxpayer may receive a deficiency communication and may need to correct the deficiencies and pursue the applicable process. The refund working should be maintained so that the corrected claim can be supported.
Can a refund be adjusted against outstanding demand?
Depending on the statutory circumstances and applicable orders, refund amounts may be adjusted against outstanding dues. The taxpayer should reconcile the sanctioned amount with any adjustment.
Why does a refund get delayed even when the amount is correct?
Common reasons include data mismatch, incomplete documents, bank validation issues, deficiency communications, officer queries and reconciliation differences.
Should refund working be prepared GSTIN-wise?
Yes. For businesses with multiple GST registrations, refund turnover, ITC, returns, invoices and ledgers should be maintained GSTIN-wise.
Should I file refund immediately when ITC accumulates?
Not blindly. First confirm eligibility, relevant period, formula, supporting documents and whether filing the claim is commercially and operationally appropriate.
Can blocked ITC be included in refund calculation?
Ineligible or blocked credit should not be treated as eligible refund merely because it appears in a ledger or reconciliation report.
What is the best way to avoid refund rejection?
Prepare the claim in this order: legal category → eligibility → invoice population → return reconciliation → calculation → documents → independent review → filing.
Can I track the refund after filing?
Yes. The refund application has an ARN/reference that can be used to monitor the application status and subsequent processing.
Can an application be filed with a wrong refund reason and explained later?
That is risky. The refund category determines the eligibility conditions, documents and calculation. Select the correct category after analysing the transaction.
How long should a business retain the refund working?
Maintain the working and supporting documents for the applicable statutory record-retention period and for as long as the claim remains subject to review, audit, appeal or other proceedings.
Final takeaway — think like a refund reviewer
A strong GST refund claim is not simply a correctly filled RFD-01. It is a complete chain of evidence.
Why is the amount refundable?
Does the transaction satisfy the conditions?
How was the exact amount derived?
Do books and GST data agree?
Can every important number be proved?
Was the correct refund route selected?
If another accountant can open your refund file six months later and independently reproduce the claim from invoices, returns, ledgers and supporting documents, your refund process is professionally controlled.