GST Refund Application —Export, Inverted Duty & ITC Refund
CA-assisted GST refund filing — export refund (LUT & IGST route), inverted duty structure, excess cash ledger, SEZ supplier, and post-cancellation refund. Rule 89 computation, RFD-01 filing, officer query handling. Starting at ₹2,499.
GST Refund — At a Glance
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What is GST Refund and Who is Eligible to Claim It?
GST refund is the process by which a GST-registered taxpayer recovers from the government an amount of GST that was either overpaid, accumulated without the possibility of utilisation, or paid on supplies that were subsequently treated as zero-rated (exports). The legal framework for GST refunds is provided under Section 54 of the CGST Act, 2017 read with Rules 89 to 96A of the CGST Rules, 2017. The refund application is filed in Form RFD-01 on the GST Common Portal, supported by specific statements and documents depending on the refund category.
GST refunds are critical for working capital management — especially for exporters. Under the GST regime, inputs (raw materials, packaging, freight, etc.) carry GST which is paid to suppliers. When a business exports goods or services, the export is zero-rated — no output GST is collected. This creates an ITC surplus that cannot be utilised against domestic tax liabilities if the business primarily exports. The government's refund mechanism under Section 54 ensures this surplus ITC is returned to the exporter — but only if the application is filed correctly, within the 2-year deadline, with the right supporting documents and accurate formula computation.
The 2-year filing deadline under Section 54(1) is the most critical constraint in GST refunds. Unlike income tax refunds which can be claimed through revised returns, GST refund applications cannot be filed after 2 years from the "relevant date" — and the relevant date differs for each refund type (date of export for goods, date of FIRC for services, end of financial year for inverted duty, date of payment for excess cash). Lapsed refunds cannot be recovered — the entitlement permanently expires. Taxvio proactively identifies refund eligibility and ensures applications are filed well within the 2-year window.
A common source of refund rejection is the formula-based calculation error. For LUT-route export refunds and inverted duty refunds, the eligible amount is not simply the ITC balance — it is computed using specific formulas under Rule 89(4) and Rule 89(5) of the CGST Rules respectively. These formulas involve adjusted total turnover, zero-rated/inverted turnover, and net ITC — all of which must be extracted from the correct periods and reported accurately. Errors in these computations result in either a deficiency memo (RFD-03) or a partial sanction — both of which require additional time and effort to resolve. Taxvio prepares the Rule 89 computation precisely, maximising the eligible refund amount in the first application itself.
6 Types of GST Refund — Eligibility, Formula & Documents
Click any type to see who qualifies, how the amount is computed, and what documents are required.
Who Can Claim
GST-registered exporters who file LUT and export without paying IGST
Filing Deadline
2 years from the 'relevant date' (date of export / date of foreign exchange receipt for services)
Form
RFD-01
Refund Formula / Basis
Refund = Net ITC × (Turnover of zero-rated supplies / Adjusted total turnover)
Capped at the formula-based amount — not actual ITC balance
Key Documents Required
GST Refund Processing — Statutory Timeline
RFD-01 Filed
Day 1
Refund application submitted on GST portal with all documents. ARN generated instantly.
RFD-02 Acknowledgement
Within 15 days
Application acknowledged or RFD-03 deficiency memo issued if documents incomplete.
Officer Verification
15–45 days
GST officer verifies documents, cross-checks returns, may issue query or provisional refund.
RFD-06 Sanction Order
Within 60 days
Refund sanction order issued for approved amount. Partial sanction possible if disputed.
Bank Credit
3–5 days later
Refund amount credited directly to the GST-registered bank account. Interest if delayed beyond 60 days.
Interest on delay: If the GST officer fails to sanction the refund within 60 days of RFD-02 acknowledgement, the department must pay interest at 6% per annum on the delayed amount under Section 56 of the CGST Act. Taxvio tracks the 60-day window and escalates if sanctioning is delayed.
Rule 89 Refund Computation, RFD-03 Deficiency Memo & Common Rejection Reasons
The single most critical technical aspect of GST refund filing is the Rule 89 refund computation. For export refunds on the LUT route (Rule 89(4)) and inverted duty structure refunds (Rule 89(5)), the eligible refund is not your full ITC balance — it is a formula-computed amount that can be significantly lower if the computation parameters are incorrect. The formula uses Adjusted Total Turnover — a specific definition under Rule 89(4) that excludes exempt supplies, supplies taxed at nil rate, and turnover on which refund has already been granted in earlier periods. Errors in defining or computing adjusted total turnover lead to either under-claiming (leaving money with the government) or over-claiming (triggering RFD-03 or partial sanction).
For IGST-route export refunds, the refund is auto-processed through the GST–ICEGATE integration — no RFD-01 is needed. However, the auto-refund process has its own failure points: the GSTIN and invoice number in GSTR-1 must exactly match the shipping bill data filed at customs (ICEGATE). A single character mismatch — in invoice number format, GSTIN, or taxable value — causes the shipping bill record to remain in "SB005" error status in ICEGATE, blocking the auto-refund. Taxvio validates GSTR-1 export data against ICEGATE shipping bill data before filing to prevent this issue.
GSTR-1 / GSTR-3B Not Filed
All returns for the refund claim period must be filed before RFD-01 submission. Taxvio files all pending returns first.
Shipping Bill Data Mismatch (IGST Route)
Invoice value, GSTIN, and HSN in GSTR-1 must match ICEGATE shipping bill data exactly. Taxvio validates before filing.
Refund Formula Miscalculation
Inverted duty and LUT route refunds use specific formulas — errors in turnover figures cause rejection. Taxvio computes precisely.
Deficiency Memo (RFD-03) Not Replied
If officer issues RFD-03 deficiency memo, taxpayer must resubmit corrected application within 2 years. Taxvio tracks and responds.
Input Service / Capital Goods ITC Included (Inverted Duty)
Inverted duty refund covers ITC on inputs only — not input services or capital goods. Taxvio segments correctly.
FIRC Not Available for Service Export
Foreign Inward Remittance Certificate or BRC needed for service export refund. Taxvio advises on bank document collection.
GST Refund Application Process — 6 Steps to Bank Credit
Refund Category Assessment
Taxvio identifies which refund type applies — LUT export, IGST-paid export, inverted duty, excess cash, SEZ supply, or post-cancellation. Each category has different formula, documents, and relevant date for the 2-year deadline.
Turnover & ITC Computation
For formula-based refunds (LUT route, inverted duty, SEZ), Taxvio computes net ITC, zero-rated turnover, and adjusted total turnover as per Rule 89 of the CGST Rules — the most common source of error in DIY refund applications.
Return Filing Verification
All GSTR-1 and GSTR-3B for the refund period are verified — export tables (Table 6A), ITC tables (Table 4), and tax payment rows. Missing or incorrect return data is corrected before RFD-01 is filed.
Document Compilation
All supporting documents are compiled — shipping bills, export invoices, FIRC/BRC for service exports, endorsement from SEZ Specified Officer, input invoices for ITC, payment challans, bank statements.
RFD-01 Filing on GST Portal
Refund application in Form RFD-01 is filed with the correct statement (Statement 3, 3A, 5A, etc. depending on refund type) and all supporting documents uploaded. ARN generated on filing.
RFD-03 / Officer Query Response
If the GST officer issues a deficiency memo (RFD-03) or query, Taxvio prepares and files the response with corrected documentation. Taxvio tracks the application status and follows up for timely sanction and bank credit.
GST Refund Filing Fee
Per refund application. RFD-03 response included. Follow-up support included.
Excess Cash / Simple Refund
₹1,499
- Excess cash ledger refund (RFD-01)
- Post-cancellation cash refund
- Advance tax refund
- Basic document compilation
- Follow-up with officer
Export / Inverted Duty Refund
₹2,499
- LUT route ITC refund (Rule 89(4))
- IGST-paid route export refund
- Inverted duty refund (Rule 89(5))
- SEZ supplier refund
- ICEGATE data validation
- RFD-03 response if needed
Exporter Annual Bundle
₹8,999/year
- Quarterly refund applications (4/year)
- Annual LUT filing included
- GSTR-1 export table reconciliation
- ICEGATE shipping bill validation
- Unlimited RFD-03 responses
Frequently Asked Questions — GST Refund
Have questions? WhatsApp us — we reply within 15 minutes.
Related GST Services for Exporters
Complete export compliance support — registration to refund
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GSTR-9 Annual Return
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GST Notice Reply
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Claim Your GST Refund — Don't Leave Money with the Government
Export refund, inverted duty structure, excess cash ledger, SEZ supplier — Taxvio files your RFD-01 with exact Rule 89 computation and handles RFD-03 responses. Starting ₹2,499.