GST on arbitral awards turns on whether payments are contractual consideration or mere compensation for breach and loss.

Amounts awarded for extra work, price adjustment, correction of final bill deductions, extra excavation, pre-stressed anchor material, and backfilling were treated as consideration for supply arising from upward revision of contractual price and were taxable under GST. Amounts awarded for quarry access failure, private quarry operating costs, differential cement cost, and shifting of infrastructure were compensatory and not supply, so they were not taxable. Arbitration-cost reimbursement was not consideration for any supply and was outside GST, but the arbitral tribunal's fee was taxable under reverse charge. Transitional GST applied to receipts representing upward revision of pre-GST contractual consideration, not to purely compensatory receipts.

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Issues: (i) Whether the amounts awarded under the arbitral awards and received under the settlement were supply taxable under GST or compensatory payments in the nature of liquidated damages; (ii) whether the arbitration cost awarded was liable to GST and whether the arbitral service fee attracted reverse charge; (iii) what SAC, rate, time of supply, and documentary requirements applied to the taxable portions; and (iv) whether receipt in the GST era of amounts arising from pre-GST contracts attracted tax under the transitional provisions.

Issue (i): Whether the amounts awarded under the arbitral awards and received under the settlement were supply taxable under GST or compensatory payments in the nature of liquidated damages.

Analysis: The Authority examined the nature of each awarded head of claim in the light of the GST concept of supply, the requirement of a contractual arrangement to tolerate, refrain from, or do an act, and the CBIC clarification on liquidated damages. It held that amounts awarded for extra work, price adjustment of extra items, correction of final bill deductions, extra excavation work, pre-stressed anchor material, and backfilling amounted to consideration for supply arising from upward revision of price or extra work under the contract. By contrast, amounts awarded for extra expenditure caused by failure to provide quarry access, private quarry operating costs, differential cement cost, and shifting of infrastructure were compensatory in nature and did not amount to supply.

Conclusion: The issue was answered partly in favour of the applicant and partly against the applicant. Only the compensatory heads were held not taxable, while the identified extra-work and price-revision heads were held taxable.

Issue (ii): Whether the arbitration cost awarded was liable to GST and whether the arbitral service fee attracted reverse charge.

Analysis: The Authority distinguished between the cost awarded to the applicant as reimbursement of arbitration expense and the fees payable for the arbitral tribunal's services. It held that the cost awarded to the applicant was not consideration for any supply and therefore not taxable. However, the arbitral tribunal rendered a taxable service to the business entity, and the recipient was liable to discharge tax under reverse charge on the tribunal fee in accordance with the notified reverse-charge entry for services supplied by an arbitral tribunal.

Conclusion: The arbitration cost awarded to the applicant was not taxable, but the arbitration fee paid to the arbitral tribunal was taxable under reverse charge.

Issue (iii): What SAC, rate, time of supply, and documentary requirements applied to the taxable portions.

Analysis: For the taxable heads, the Authority treated the underlying service as general construction services and applied the relevant construction-service classification. It held that the taxable amount was chargeable at the applicable CGST and SGST rates under the residuary construction entry. Where the taxable amount arose by way of upward revision in pursuance of a pre-GST contract, the Authority applied the transitional rule deeming a supplementary invoice or debit note to have been issued in respect of an outward supply under the GST regime. For reverse-charge arbitration services, the time of supply was linked to the recipient's payment date under the statutory reverse-charge rule.

Conclusion: The taxable construction-related claims were classified under the stated construction-service heading and taxed at the applicable GST rate, with supplementary invoice or debit note requirements applying where the amount represented upward revision; the reverse-charge time-of-supply rule applied to the arbitration fee.

Issue (iv): Whether receipt in the GST era of amounts arising from pre-GST contracts attracted tax under the transitional provisions.

Analysis: The Authority held that mere receipt during the GST period did not by itself determine taxability. What mattered was whether the amount represented upward revision of contractual price or merely compensation for breach. For claims linked to extra work or revised price under the existing contract, the transitional provision was attracted. For claims that were purely compensatory and outside the contract, the transitional provision did not bring them to tax.

Conclusion: GST applied to receipts constituting upward revision of pre-GST contractual consideration, but not to purely compensatory receipts not amounting to supply.

Final Conclusion: The ruling upheld GST liability only on those award components found to be price revisions or consideration for extra work under the existing contract, while compensatory award components and the arbitration-cost reimbursement were held outside GST, save for the tribunal fee payable under reverse charge.

Ratio Decidendi: An award amount is taxable under GST only when it represents consideration for supply or an upward revision of contractual price under a pre-existing contract; a mere compensatory payment for breach, loss, or reimbursement without any agreement to tolerate or perform an independent act is not consideration for supply.

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