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GSTAT's GST Refund Ruling on Cancelled Air Tickets Explained: When Airlines Can Claim It Back

Editorial illustration of a stylised passenger aeroplane flying above clouds, with a blank paper air ticket and a circular refund arrow looping back toward a suitcase
Editorial illustration: a stylised aeroplane above clouds, with a blank air ticket and a looping refund arrow above a suitcase.

Key Takeaways

  • The GSTAT's Ernakulam bench ruled that GST on cancelled tickets can be refunded to an airline that has returned the full fare, including GST, to passengers.
  • The Singapore Airlines case covered eight claims totalling Rs 45,92,528 for October 2019 to March 2021, when Covid-19 cancellations left no output tax liability to absorb credit notes.
  • The tribunal set aside the Joint Commissioner's rejection and directed the department to process the refund within two weeks, with interest.
  • The ruling turned on passenger-level evidence showing refunds reached passengers directly, so there was no unjust enrichment.
  • Passengers do not get a second refund from this order; the refund is payable to the airline, and future claims will still depend on their own documentation.

What happened

A tax tribunal has ruled that an airline can claim back the Goods and Services Tax (GST) it paid on tickets that were later cancelled, provided it has already returned the full fare, including the tax, to the passengers. The ruling came from the Ernakulam bench of the GST Appellate Tribunal (GSTAT) in the case of Singapore Airlines Ltd versus the Kochi Commissioner of CGST and Central Excise.

The tribunal set aside an earlier order by the GST Joint Commissioner, who had rejected the airline's refund claims, and directed the revenue department to process the refund within two weeks and pay it along with interest. The case was reported on 25 October 2026, and the tribunal's order itself is dated 16 October, according to the BusinessLine report of the case.

The amount at stake in this particular case is modest by airline standards: eight refund claims totalling Rs 45,92,528, covering the period from October 2019 to March 2021. But the reasoning matters far beyond that sum, because it deals with a question that arises whenever a taxed service is cancelled after the tax has already been collected and deposited with the government: who bears the tax when the underlying transaction no longer happens?

The case in detail

During the Covid-19 pandemic, Singapore Airlines had to cancel flights. Passengers who had bought tickets were refunded their fares, including the GST component that had been charged on those tickets. The airline had already collected that GST from passengers and paid it to the GST department.

Normally, when an airline issues a credit note for a cancelled ticket, it adjusts that credit note against its future output tax liability — in simple terms, it sets the tax on the cancelled ticket off against tax it owes on later sales. In this case, the airline said it could not do that. The scale of pandemic cancellations meant there was not enough outward tax liability left to absorb the credit notes. So it filed refund claims instead, treating the tax as an excess payment.

The Joint Commissioner rejected those claims. The airline appealed to the GSTAT, which examined the evidence passenger by passenger. The tribunal concluded that there was sufficient evidence to show that the refunds had reached the respective passengers directly, and that there was no passing on of the incidence of tax. In other words, the airline had not kept the tax money, and the passengers had not been left out of pocket on the tax.

That finding was decisive. The tribunal held that the airline was eligible for a refund of the GST it had collected from passengers, paid to the department, and then returned to passengers along with the fare when flights were cancelled during the pandemic.

Why the evidence mattered so much

Tax law contains a safeguard known as the doctrine of unjust enrichment. It is designed to stop a business from getting a tax refund twice over: once from the customer, and again from the government. If a business has already recovered the tax from its customers, refunding it again would be a windfall.

The tribunal's answer in this case was therefore not a blanket rule that every cancelled ticket automatically produces a GST refund. It was a fact-specific finding: on the records produced here, the money had demonstrably gone back to passengers, so there was no unjust enrichment.

Commentators quoted in the coverage stressed exactly that point. Rahul Shekhar, Partner for Indirect Tax at Nangia Global, described the ruling as a positive development for the industry, on the basis that GST should not become a cost where a transaction is cancelled and the tax collected is fully refunded to customers. He also cautioned that field formations should consider supporting documents collectively rather than rejecting genuine claims on technical grounds, while taxpayers must maintain robust documentation to satisfy the unjust enrichment test.

Rajat Mohan, Managing Partner at AMRG Global, made a similar point in sharper terms: what decided the case was evidence. Passenger-level records linking the invoice, the credit note and the refund, together with settlement data, showed that no tax was retained. Taxpayers who cannot build that trail, particularly for tickets sold through agents, should not assume the same outcome.

The tax reporting on the case adds further detail on the mechanics. Where credit notes cannot be adjusted because no output tax liability remains after cancellations, a refund may be claimed in Form GST RFD-01 as an excess payment of tax. For passenger-ticket transactions sold directly to consumers, the usual input tax credit reversal questions that arise in business-to-business credit notes do not apply in the same way, because no recipient credit is involved.

What this ruling does not mean for passengers

It is important to be precise about who benefits directly from this order. The refund directed by the tribunal is payable to the airline, not to individual passengers. The passengers in this case had already been refunded their fares, including GST, at the time of cancellation.

So a passenger reading this ruling should not conclude that they can now file a separate GST refund claim for an old cancelled ticket. The ruling does not create a new passenger claim. What it does is remove a tax cost that would otherwise sit with the airline after it has already made the passenger whole. Whether that eventually feeds through into fairer cancellation policies, lower charges or faster refunds is a commercial question for airlines, not something this order itself decides.

It is also not a ruling that every airline, in every cancellation scenario, will get its GST back. A routine cancellation today, where an airline can simply adjust the credit note against its ongoing tax liability, is a different situation from the pandemic-period facts here, where cancellations wiped out the liability against which adjustment would normally happen. Future cases will still turn on their own documents: was the fare plus tax actually returned, can each refund be traced to a passenger, and is there genuinely no output liability left to absorb the credit note?

Why it matters for airlines and the tax system

For airlines, the ruling offers a route out of a genuine trap. If a carrier refunds passengers in full but cannot recover the tax it already deposited, the tax becomes a dead cost of doing the right thing by customers. Over a large number of cancellations, that cost can be substantial, and it can discourage prompt, full refunds. A clear route to recovery, where the evidence is strong, aligns the tax treatment with the commercial reality: no service was supplied, no fare was kept, and no tax should remain with the government.

For the tax administration, the case is a reminder that refund claims of this kind cannot be decided on a single missing document or a narrow technical objection alone. The tribunal looked at the chain of records as a whole — invoice, credit note, refund and settlement — and asked the substantive question: did the money reach the passenger, and was any tax retained? That approach, if followed in other cases, could reduce litigation over genuine claims while still protecting the exchequer against windfall refunds.

There is a wider context too. GSTAT benches have only recently begun functioning across the country after a long gap in which GST appeals piled up. Rulings like this one help build the tribunal's early body of precedent on practical questions that businesses face every day: how refunds work when transactions are reversed, what evidence is enough, and where the line falls between a genuine excess payment and an unjust enrichment. Tax practitioners will watch whether other benches adopt the same evidence-based approach, and whether the department appeals or issues clarifying guidance.

What to watch next

Three things are worth watching. First, whether the department processes this refund within the two-week window directed by the tribunal, and with what interest calculation. Delays in implementing tribunal orders are a common complaint, and compliance here would signal that the ruling has practical effect, not just declaratory value.

Second, whether other airlines with similar pandemic-period claims, or businesses in other sectors with cancelled consumer contracts, test the same route. The logic is not unique to aviation: any business that collected GST, deposited it, then refunded the customer in full and could not adjust the credit note faces the same question. But each claimant will need the same passenger-level or customer-level paper trail, and agent-sold transactions will be harder to prove.

Third, whether the Central Board of Indirect Taxes and Customs or the GST Council offers guidance on cancelled-ticket refunds more generally. A clear, standard documentation checklist would help both sides: airlines would know what to preserve at the time of cancellation, and officers would have a consistent basis for allowing or rejecting claims, rather than deciding each case from scratch.

Conclusion

The GSTAT's ruling in the Singapore Airlines case is narrow in its facts and significant in its principle. It says, in effect, that tax follows the transaction. When a flight is cancelled, the fare is returned in full including tax, and the airline can prove that the money reached passengers and that it has no tax liability left to adjust against, the GST it deposited should come back to it, with interest, rather than remaining with the government as a cost of a service that never happened.

Passengers will not receive a second refund from this order, and airlines will not win every future claim on the strength of this one. But for a tax system that depends on trust between businesses, customers and the administration, a ruling that rewards complete documentation and full refunds to customers, while refusing a windfall to anyone, is a useful precedent to have on the books.

Frequently Asked Questions (FAQ)

What did the GSTAT rule about GST on cancelled air tickets?

The Ernakulam bench of the GST Appellate Tribunal (GSTAT) ruled in Singapore Airlines Ltd versus the Kochi Commissioner of CGST and Central Excise that GST paid on cancelled tickets can be refunded to the airline if it has returned the full fare, including GST, to passengers and can prove it with documents. The order is dated 16 October and was reported on 25 October 2026.

How much was claimed, and what did the tribunal direct?

The case covered eight refund claims totalling Rs 45,92,528 for October 2019 to March 2021. During Covid-19, Singapore Airlines cancelled flights and refunded fares including GST, but could not adjust the credit notes against output tax liability because there was not enough liability left. The tribunal directed the department to process the refund within two weeks, with interest.

Does this mean passengers can now claim a GST refund for a cancelled ticket?

No. In this case passengers had already been refunded their fares including GST. The tribunal's refund is payable to the airline, to recover tax it deposited but then returned to passengers. It does not create a separate GST claim that a passenger can file.

Will every airline get a GST refund for every cancelled ticket now?

No. The ruling turned on evidence: passenger-level records linking the invoice, credit note and refund, with settlement data, showing the money reached passengers and no tax was retained. Where that trail cannot be built, especially for agent-sold tickets, the same outcome cannot be assumed, and routine cancellations that can be adjusted against output tax are a different situation.

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