Retrospective validating amendments sustained service tax liability on goods transport operator services, barring refund of self-assessed tax.

Retrospective validating amendments were applied to deem the recipient of goods transport operator services liable for service tax for the relevant period. A special self-assessment and return-filing mechanism under Section 71A and Rule 7A was treated as a valid method of discharge under the amended law, so tax paid pursuant to that mechanism was lawfully collected. The challenge based on the earlier invalidation of the pre-amendment scheme, as well as objections founded on limitation and Section 73, did not disturb the validity of the amended levy or the payment made under it. Refund was therefore not available.

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Issues: Whether the appellant, being the recipient of goods transport operator services, remained liable to pay service tax and whether the tax paid under the amended and validating provisions was refundable.

Analysis: The retrospective amendments made by the Finance Act, 2000 and the Finance Act, 2003 were held to validly alter the service tax scheme for the relevant period and to deem the person paying freight for goods transport operator services as liable to pay service tax. Section 71A and Rule 7A created a special return-filing mechanism for such persons, and the return filed by the appellant on self-assessment basis pursuant to that mechanism represented valid tax payment under the amended law. The challenge based on the earlier decision striking down the pre-amendment rules was rejected because the validating amendments had already been upheld, and the contention that the demand was time-barred or that Section 73 could not apply did not affect the legality of the self-assessed payment made under the special provision.

Conclusion: The appellant was liable under the amended provisions and was not entitled to refund.

Final Conclusion: The tax paid under the retrospective validating and machinery provisions was held to be lawfully collected and not refundable, and the appeal failed.

Ratio Decidendi: A retrospective validating amendment may lawfully impose and preserve tax liability for a past period, and where a special self-assessment mechanism is created for the class of assessees covered by the amendment, tax paid under that mechanism is not refundable merely because the earlier legal position had been different.

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