Hire-purchase taxability turns on completed sale: tax arises only when purchase option is exercised and price is reasonably determined.

A hire-purchase arrangement is not a completed sale until the hirer exercises the option to purchase and the contractual terms are fulfilled; tax becomes exigible only at that stage. The State Legislature could not deem such a transaction to be a sale before property passed, because the constitutional entry on sales tax carries the same meaning as "sale of goods" under the Sale of Goods Act. For valuation, the whole hire amount is not sale price and the nominal option price alone is also insufficient; the taxable price must be determined on a reasonable basis at the time of the eventual sale, with depreciation and related factors considered.

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Issues: (i) Whether Explanation 1 to section 2(h) of the Madras General Sales Tax Act, 1939, which deemed a hire-purchase transaction to be a sale, was within the legislative competence of the State Legislature; (ii) when the taxable sale occurs in a hire-purchase transaction; and (iii) what constitutes the sale price for taxation when the option to purchase is exercised.

Issue (i): Whether Explanation 1 to section 2(h) of the Madras General Sales Tax Act, 1939, which deemed a hire-purchase transaction to be a sale, was within the legislative competence of the State Legislature.

Analysis: The constitutional entry authorising tax on sales of goods was held to bear the same meaning as the expression "sale of goods" in the Sale of Goods Act. A typical hire-purchase agreement does not transfer property when the agreement is made; it contains both a hiring element and an eventual sale element, with property passing only when the option is exercised and the contractual terms are fulfilled. A State Legislature cannot enlarge the concept of sale by fiction so as to treat as a sale a transaction in which property has not yet passed.

Conclusion: Explanation 1 was beyond legislative competence and invalid.

Issue (ii): When the taxable sale occurs in a hire-purchase transaction.

Analysis: The taxable event under the Act is the sale itself. In a hire-purchase arrangement, the sale comes into existence only when the hirer exercises the option to purchase and satisfies the terms of the agreement. Until that stage, the transaction remains one of hire with an eventual possibility of sale, and no tax can be levied merely because most such agreements ultimately culminate in sales.

Conclusion: Sales tax becomes exigible only when the option to purchase is exercised and the contract is fully performed.

Issue (iii): What constitutes the sale price for taxation when the option to purchase is exercised.

Analysis: The entire sum paid as hire cannot be treated as price, because part of it is consideration for use during the hiring period. Nor can the nominal option price alone be treated as the sale price, because that would ignore the true value of the vehicle at the time of the eventual sale. The proper course is for the taxing authority to determine the price at the time of the second sale by taking account of depreciation and other relevant factors, or by separating hire from price on a reasonable basis.

Conclusion: The sale price must be ascertained on a reasonable basis at the time the option is exercised, and it is neither merely Re. 1 nor the entire hire paid.

Final Conclusion: The appeals succeeded in part: the deeming provision was struck down, tax was held leviable only on the eventual sale, and the assessments were set aside for fresh determination of the taxable price in accordance with law.

Ratio Decidendi: For sales tax purposes, a State can tax only a completed sale of goods as understood in the Sale of Goods Act, and a hire-purchase transaction becomes taxable only when the option to purchase is exercised and property passes.

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