Retrospective validating amendment upheld where the Legislature clarified purchase tax coverage for ancillary use in manufacture.

The amendment to section 6 of the Karnataka Sales Tax Act, 1957, was treated as a clarificatory expansion of the phrase "consumes such goods in the manufacture of other goods" to cover ancillary consumption. The levy continued to attach to the purchase of taxable goods, and the amendment did not change the essential nature of the impost or convert it into a tax on consumption. Retrospective operation was upheld because the Legislature was competent to enact the change and the amendment removed the basis of the earlier judicial interpretation while validating prior assessments.

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Issues: (i) Whether the insertion of the explanation to section 6 of the Karnataka Sales Tax Act, 1957, enlarging the expression "consumes such goods in the manufacture of other goods" to include consumption for ancillary purposes, was beyond the legislative competence of the State. (ii) Whether the retrospective operation given to the amendment was unconstitutional for want of sufficient justification.

Issue (i): Whether the insertion of the explanation to section 6 of the Karnataka Sales Tax Act, 1957, enlarging the expression "consumes such goods in the manufacture of other goods" to include consumption for ancillary purposes, was beyond the legislative competence of the State.

Analysis: The amended explanation clarified that goods consumed for ancillary purposes in or for manufacture would also fall within the charging provision. The levy continued to operate on the purchase of taxable goods in circumstances where no tax was leviable under section 5, and the taxable event remained the purchase itself. The amendment did not alter the essential nature of the impost or transform it into a tax on consumption. It only expanded the scope of the expression used in section 6 to reflect the legislative intent and to overcome the earlier interpretative position.

Conclusion: The amendment was within the legislative competence of the State and was not ultra vires Entry 54 of List II of the Seventh Schedule to the Constitution of India.

Issue (ii): Whether the retrospective operation given to the amendment was unconstitutional for want of sufficient justification.

Analysis: Retrospective fiscal legislation is permissible where the Legislature is competent to enact the law and where the amendment removes the basis of an earlier judicial interpretation. The explanation was inserted to neutralise the effect of the earlier construction placed on an analogous provision and to validate assessments already made. By clarifying the intended scope of section 6, the Legislature removed the foundation of the earlier interpretation rather than merely overriding the judgment by declaration. The retrospective operation was therefore supported by legitimate legislative purpose.

Conclusion: The retrospective amendment was valid and not unconstitutional.

Final Conclusion: The challenge to the constitutional validity of the amending Act failed, and the levy sustained under the amended provision remained enforceable.

Ratio Decidendi: A retrospective validating amendment to a fiscal statute is valid if it remains within legislative competence and removes the basis of the earlier judicial interpretation without changing the essential nature of the tax.

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