Exporters in India carry a lot of weight in the country's push toward a $5 trillion economy. But GST laws around exports have never been straightforward — refund mechanisms, documentation rules, and eligibility conditions have all shifted multiple times since the framework launched. If you're exporting goods or services and haven't reviewed your refund route recently, the 2024 changes to Rule 96 and Rule 89 could directly affect how much you recover and how fast.
This guide breaks down both rules clearly, covers what changed after the 54th GST Council meeting, and helps you decide which refund route fits your situation.
Key Takeaways
A GST export refund lets exporters recover taxes paid either on their export supplies directly or on the inputs that went into producing those exports. The mechanism exists because exports are classified as zero-rated supplies — meaning the final output carries zero GST burden, and any tax that accumulated along the way can be reclaimed.
Zero-rated and exempted are not the same thing. Exempted supplies can't generate ITC claims. Zero-rated supplies can — and that distinction matters a great deal when you're calculating what you're owed.
The following categories qualify as zero-rated supplies under GST:
The GST refund process for exporters follows one of two paths, and picking the right one depends on your cash flow position and how regularly you export.
Route 1 — Exporting without paying GST (LUT/Bond route): A registered exporter can ship goods or services without collecting IGST by filing a Letter of Undertaking — known as an LUT. Through this declaration, the exporter confirms to the GST department that all applicable export conditions will be met, the export will happen within the prescribed period, and IGST will be paid if those conditions aren't satisfied.
The LUT is filed electronically on the GST portal in Form GST RFD-11 and stays valid for one financial year. This route is governed by Rule 89, and refunds here cover accumulated ITC — not IGST paid.
Route 2 — Exporting with IGST paid upfront: Here, the exporter pays IGST on the export invoice and then claims it back. No LUT is needed. The shipping bill doubles as the refund application, and Customs processes the refund automatically once return filings are verified. This is Rule 96 territory.
Rule 96 of the CGST Rules, 2017 governs the procedure for recovering IGST already paid on goods exported outside India. Three conditions must all be true for this rule to apply: the exporter didn't file a LUT or Bond, IGST was paid on the export invoice, and the refund being claimed is of that IGST — not of accumulated ITC.
Rule 96(1): Before claiming anything, the exporter must pay the IGST and make sure it appears correctly in both GSTR-1 and GSTR-3B for that period. The shipping bill then acts as the refund application automatically — but only if the exporter has completed Aadhaar authentication under Rule 10B and has a valid GSTR-3B on record. If the export amount needs to be corrected, Form GST RFD-01 can be filed separately.
Rule 96(2): The GST portal handles the data transfer automatically. Export invoice details from GSTR-1 (Table 6A specifically) are sent electronically to the Customs system, which then confirms and processes the refund without manual intervention.
Rule 96(3): Once a valid GSTR-3B and shipping bill are both in the system, the IGST refund gets credited directly to the exporter's registered bank account. The matching happens between the export invoice data and Customs records — entirely system-driven.
Rule 89 of the CGST Rules, 2017 lays out the full process for claiming refunds when exports happen without IGST payment. It applies in four situations: exports under LUT/Bond, supplies to SEZ units or developers, inverted duty structure refund cases, and deemed export in GST transactions.
For a high-volume exporter with consistent inward supplies — say, a manufacturer buying raw materials with GST paid on every purchase — Rule 89 is almost always the better fit. The cash flow advantage of not paying IGST upfront, combined with the ability to recover accumulated ITC, makes this route the default choice for regular exporters.
Rule 89(1): The application to claim refund of unutilised ITC on zero-rated supplies, tax paid on deemed exports, or eligible ITC in inverted duty structure cases must be submitted in Form GST RFD-01 through the common portal — either directly or through a facilitation centre notified by the Commissioner.
Rule 89(2): Every application filed under sub-rule (1) must come with documentary evidence in Annexure 1 of Form GST RFD-01. This includes invoice-wise export statements, shipping bill and number details, and a declaration confirming that goods or services have been exported, that export proceeds will be realised, and that the consideration is in convertible foreign currency or INR as permitted by RBI. For service exports, a Bank Realisation Certificate (BRC) or Foreign Inward Remittance Certificate (FIRC) is required.
Rule 89(3): When the refund claim relates to ITC, the applicant must debit the electronic credit ledger by an amount equal to the refund being claimed before the application is processed.
Rule 89(4): The refund amount is calculated using a specific formula: (Turnover of Zero-Rated Supply × Net ITC) ÷ Adjusted Total Turnover. This formula-based approach differs significantly from Rule 96, where the refund equals exactly the IGST paid — no formula involved.
The 54th GST Council met in September 2024 and recommended cleaning up several restrictions that had been causing genuine compliance pain for exporters. The outcome was Notification No. 20/2024, which took effect from 8th October 2024 and removed three sub-rules entirely: Rule 96(10), Rule 89(4A), and Rule 89(4B).
What Rule 96(10) used to do — and why its removal matters: This sub-rule blocked exporters from claiming IGST refunds if they had used certain benefit schemes at the time of export, including Advance Authorisation, EPCG (Export Promotion Capital Goods), Duty Drawback, or the Merchant Exporter Concessional Rate. Exporters using these schemes had to choose between the scheme benefit and the IGST refund — they couldn't have both. That restriction is now gone for periods from 8th October 2024 onward.
What Rule 89(4A) used to restrict: When an exporter procured inputs under Advance Authorisation, EPCG, EOU/SEZ benefits, or other duty-free or concessional schemes, Rule 89(4A) required that the ITC attributable to those concessional imports be excluded from the refund calculation. The effect was a smaller refund and significantly more complex arithmetic. That exclusion requirement has been removed.
What Rule 89(4B) was blocking: This sub-rule prevented buyers from claiming ITC refunds on tax portions where the supplier had already received an export-related GST benefit. The intent was to stop double benefit situations across the supply chain. In practice, it created ambiguity about who had claimed what, triggered disputes, and led to refund rejections that went to litigation. The omission removes that disallowance and establishes uniform treatment across the chain.
The combined effect: Exporters can now claim unutilised ITC refunds freely, even when their suppliers used export benefit schemes or supplied under concessional notifications. The treatment of exports with IGST payment and exports under LUT has been brought closer to parity. Compliance burden is down. Refund eligibility is wider.
Neither rule is universally better — it depends on your export frequency and how much ITC you accumulate. Rule 96 suits occasional exporters or businesses with low ITC because the refund process is faster: IGST paid gets returned automatically once GSTR-1, GSTR-3B, and the shipping bill are all in order, typically within 7 to 15 working days. Rule 89 makes more sense for regular exporters with high inward supplies — no IGST goes out at the time of shipment, and the ITC refund recovers what's accumulated. The cash flow difference is real and worth calculating before you choose.
Rule 89 refunds require Form GST RFD-01 filed on the GST portal, along with Annexure 1 containing invoice-wise export details, shipping bill numbers, and a declaration covering realisation of export proceeds. For services, a BRC or FIRC is mandatory. For goods, the Export General Manifest (EGM) filed by the shipping line must also match. Missing or mismatched EGM details are one of the most common reasons refunds get stuck — check this before filing.
Rule 96 refunds are generally credited within 7 to 15 working days from when a valid GSTR-3B and shipping bill are both confirmed in the system. Rule 89 refunds take longer — typically 30 to 60 days, though this can stretch further depending on the GST officer's workload and whether any documents need clarification. A 90% provisional refund is available under Rule 89, which helps cash flow while the full claim is being processed.
No. Both rules offer different routes to recover taxes on the same export transaction — applying both would amount to a double benefit on the same supply, which GST law doesn't allow. The choice of route is made at the time of export: either IGST is paid on the invoice (Rule 96), or the LUT/Bond route is used (Rule 89). Whichever path is taken at export determines which refund rule applies.
The refund application must be filed within 2 years from the relevant date, as defined under Section 54 of the CGST Act, 2017. For goods, the relevant date is the date on the shipping bill. For services, it's the date of receipt of foreign currency, confirmed by BRC or FIRC. Miss this window and the claim lapses — there's no late filing provision for refunds the way there is for returns.
The most common causes are mismatches between GSTR-1, GSTR-3B, and the shipping bill — even a small difference in invoice value or port details can trigger a hold. Other frequent issues include an EGM not filed or not matched by Customs, bank account validation failures on the portal, late or missing return filings for the relevant period, and — for Rule 89 claims — a missing or expired LUT/Bond. Check each of these before concluding the delay is on the department's end; in most cases, something in the filing chain needs fixing first.
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