Introduction
The question of whether the Government can retain an amount collected as tax despite the absence of a lawful statutory liability has repeatedly arisen under the erstwhile service tax regime. The issue becomes particularly significant where tax has been paid under an erroneous classification and the assessee subsequently establishes that the underlying activity was not taxable under the relevant category during the disputed period. In such circumstances, the Revenue has frequently relied upon the statutory limitation prescribed for refund claims to resist repayment of the amount.
The decision of the Customs, Excise and Service Tax Appellate Tribunal (“CESTAT”), Chennai in Commissioner of Service Tax, Chennai v. Hardy Exploration & Production (India) Ltd., Final Order No. 43135/2018, decided on 15.11.2018, provides an important illustration of this issue. The Tribunal examined the taxability of services relating to floating rigs and, after finding that the activity had been incorrectly classified as “Mining Service”, considered whether the refund could nevertheless be denied on the ground of limitation under Section 11B of the Central Excise Act, 1944.
Factual matrix
The dispute in Hardy Exploration & Production (India) Ltd. arose in the context of petroleum exploration activities. Hardy Exploration & Production (India) Ltd. had entered into a production-sharing arrangement for petroleum operations and had obtained a floating rig from Aban Offshore Ltd. Service tax was charged on the transaction under the taxable category of “Mining Service”.
The relevant period was from 1.06.2007 to 15.05.2008. Hardy subsequently disputed the classification adopted for the transaction and contended that the supply of the floating rig could not legally be classified as “Mining Service” during the relevant period. According to the assessee, the transaction was more appropriately covered by “Supply of Tangible Goods Service”, which became taxable only with effect from 16.05.2008. The distinction was therefore material because, if the transaction fell within “Supply of Tangible Goods Service”, the same could not be subjected to service tax under that category before the date on which the taxable service was introduced.
Hardy consequently sought refund of approximately Rs. 13.88 crore which had been paid as service tax under the disputed classification. The classification issue had also been considered in the context of similar petroleum-related transactions in Indian National Shipowners’ Association v. Union of India, ultimately establishing the relevance of the distinction between “Mining Service” and “Supply of Tangible Goods Service”. The Commissioner (Appeals) accepted the assessee’s position and found that the floating rigs supplied by Aban for the relevant activities were not taxable under “Mining Service” during the disputed period. The refund claim was accordingly allowed. The Revenue challenged the order before the CESTAT.
Issues in the Matter
The principal issues before the Tribunal were:
- Whether the supply and use of floating rigs during the relevant period was taxable under the category of “Mining Service”?
- Whether the service tax collected under the erroneous classification could be retained by the Revenue by invoking the limitation prescribed under Section 11B of the Central Excise Act, 1944?
- Whether the refund claim could be treated as barred by limitation despite the subsequent determination that the underlying activity was not taxable under the classification adopted?
- Whether the principles under Article 265 of the Constitution prevented the Government from retaining an amount collected without authority of law?
Whether the classification of the service was correct?
The first question before the Tribunal concerned the correct classification of the activity undertaken through the floating rigs. The Revenue sought to sustain the levy by treating the activity as “Mining Service”. The assessee, however, contended that the transaction was covered by “Supply of Tangible Goods Service”, a taxable category introduced only with effect from 16.05.2008. The classification was significant because the relevant statutory entry had to exist during the period for which the tax was sought to be collected. The mere fact that the activity was connected with petroleum exploration could not, by itself, bring the transaction within every taxable category associated with mining or exploration.
The Tribunal accepted the assessee’s position and proceeded on the basis that the activity did not fall within “Mining Service” during the relevant period. Consequently, the service tax collected under that classification lacked the necessary statutory foundation. The finding on classification therefore became decisive for the subsequent question of refund.
Can an erroneously collected tax be retained due to limitation?
The Revenue’s principal defence was based upon Section 11B of the Central Excise Act, 1944. The provision prescribes a limitation period for claiming refund of duty or tax. The Revenue argued that the refund claim could not be entertained beyond the statutory period and that the assessee could not circumvent the limitation requirement merely by contending that the tax had been paid under an erroneous classification.
The Tribunal, however, distinguished between an ordinary delayed refund claim and a claim arising from an amount which was never legally payable as tax in the first place. Once the Tribunal had concluded that the activity was not taxable under “Mining Service” during the relevant period, the character of the payment itself became relevant. The amount could not simply be treated as a valid tax merely because it had been collected and deposited with the Government. The Tribunal consequently examined the issue in light of the constitutional limitation contained in Article 265.
Article 265: no tax without authority of law
Article 265 of the Constitution provides that “No tax shall be levied or collected except by authority of law.” The constitutional principle becomes particularly important in cases involving erroneous classification. A tax liability must arise from legislation. It cannot be created merely because an assessee or service provider mistakenly treats an activity as taxable under a particular category.
The Madras High Court directly considered this principle in 3E Infotech Ltd. v. CESTAT, 2018 (18) G.S.T.L. 410 (Mad.). The Court examined a refund claim where service tax had been paid under a mistake of law despite the absence of a statutory liability. It held that the Government could not retain an amount which was never legally payable merely because the statutory limitation period had expired.
The Court recognised that limitation is a procedural mechanism governing the exercise of a refund remedy and cannot itself create substantive authority for the Government to retain an amount that was collected without authority of law.
Limitation cannot become a source of taxing power
The distinction between limitation and substantive tax liability is central to the judgment. Section 11B regulates the procedure and period within which a refund claim ordinarily has to be made. However, it does not independently confer a taxing power upon the State. The expiry of a limitation period cannot retrospectively convert an amount that was never lawfully payable into a valid tax.
In other words, limitation can regulate a remedy, but it cannot create a levy. Where tax was legally payable and an assessee seeks refund after the prescribed period, Section 11B may operate as a statutory bar. However, the position is materially different where the assessee establishes that the payment arose from a mistake of law and that the underlying activity was never taxable under the classification relied upon by the Revenue. In such a situation, allowing the Revenue to retain the amount merely because the refund claim was delayed would effectively permit a procedural rule to provide the substantive authority for a collection which Article 265 does not permit.
Misclassification cannot create a tax liability
The decision also reinforces an important principle of indirect taxation: classification does not merely determine the rate or manner of taxation; it determines whether the statutory charging provision applies to the transaction at all. In the present case, “Supply of Tangible Goods Service” became taxable with effect from 16.05.2008. If the activity was correctly covered by that category, it could not simply be brought within “Mining Service” for an earlier period merely because the transaction was connected with petroleum exploration.
The Government’s taxing power must therefore be traced to the relevant statutory provision applicable during the relevant period. Administrative treatment, an assessee’s mistaken payment or an incorrect classification cannot independently expand the scope of a charging provision. Once the classification adopted by the Revenue fails, the legal foundation of the collection must necessarily be reconsidered.
Distinction from ordinary refund claims
The judgment should not, however, be understood as establishing that every refund claim filed beyond the period prescribed under Section 11B is automatically maintainable. The principle is narrower and depends upon the substantive legality of the levy. Where tax was legally payable but the assessee subsequently seeks refund after the expiry of the statutory limitation period, Section 11B may continue to apply. The constitutional exception becomes relevant where the assessee demonstrates that the amount was paid under a mistake of law and that there was no legal authority for the original collection.
Thus, the decision does not eliminate limitation. Rather, it prevents limitation from being used as a substitute for the absence of a lawful tax liability.
Holding
The CESTAT accepted the position that the activity involving the floating rigs was not taxable under “Mining Service” during the disputed period. Having reached that conclusion, the Tribunal held that the service tax collected under the erroneous classification could not be treated as a lawful levy merely because the refund claim was subject to the limitation prescribed under Section 11B. The Tribunal relied upon the principle laid down in 3E Infotech and recognised that the Government could not retain an amount collected without authority of law by merely invoking limitation. The Revenue’s challenge to the refund was therefore rejected and the assessee succeeded in obtaining the benefit of the refund.
AMLEGALS Remarks
The decision in Hardy Exploration & Production (India) Ltd. is significant in reaffirming that a procedural limitation cannot become a substantive source of taxing power. The case demonstrates that the first question in a refund dispute must be whether the amount was lawfully chargeable in the first place. Where an activity is wrongly classified and tax is collected under a category that does not legally apply, the Revenue cannot simply rely upon the expiry of the refund period to legitimise the collection.
The judgment serves as a reminder that taxation must remain anchored in the statutory charging provision. The mere fact that an amount has been collected, reflected in an invoice or deposited with the Government cannot, by itself, establish the existence of a lawful tax liability.
Ultimately, the decision reinforces a fundamental constitutional proposition: misclassification cannot create a lawful levy, and limitation cannot cure the absence of authority of law. Where the substantive tax liability itself fails, the procedural defence of limitation cannot, by itself, provide the Revenue with a legal basis to retain the amount.
For any queries or feedback, feel free to connect with Dhwani.tandon@amlegals.com