Commercial classification of goods controls sales tax: carbon-paper and typewriter ribbons were not taxable as paper or machine parts.

Goods were required to be classified by their ordinary commercial identity: carbon-paper was not "paper" in the common trade sense because its essential character lay in the chemical coating, so the levy at six per cent. failed; typewriter ribbons were accessories, not parts of typewriters, because a typewriter remains complete without them, so assessment at ten per cent. was invalid. The challenge to section 3-A of the U.P. Sales Tax Act and the notifications issued under it was rejected as the provision had already been upheld. Relief under article 226 was not barred by the availability of an alternative appeal where the assessment showed patent illegality and affected a large class of persons.

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Issues: (i) Whether carbon-paper fell within the entry for paper other than hand-made paper and could be taxed at six per cent.; (ii) Whether typewriter ribbons could be treated as parts of typewriters and taxed at ten per cent.; (iii) Whether section 3-A of the U.P. Sales Tax Act and the notifications issued thereunder were ultra vires; and (iv) whether the existence of an alternative statutory appeal should preclude relief under article 226.

Issue (i): Whether carbon-paper fell within the entry for paper other than hand-made paper and could be taxed at six per cent.

Analysis: Carbon-paper was held not to answer the ordinary commercial meaning of paper. Its essential character lay in the chemical coating used to take impressions, while the paper base was merely a support. It was not used for writing, packing, or the ordinary purposes of paper, and the departmental circular listing kinds of paper did not include it. The entry relating to paper other than hand-made paper therefore did not apply.

Conclusion: Carbon-paper was not taxable under the entry for paper other than hand-made paper, and the levy at six per cent. was unlawful.

Issue (ii): Whether typewriter ribbons could be treated as parts of typewriters and taxed at ten per cent.

Analysis: A part of a machine is something that constitutes a component necessary to make the machine a complete article. A typewriter remains a complete machine without a ribbon, and the ribbon merely enables its use for typing in the same way that ink enables a pen to function. The ribbon was therefore an accessory and not a part of the typewriter.

Conclusion: Typewriter ribbons could not be assessed as parts of typewriters, and the levy at ten per cent. was invalid.

Issue (iii): Whether section 3-A of the U.P. Sales Tax Act and the notifications issued thereunder were ultra vires.

Analysis: The challenge to section 3-A was rejected in earlier decisions relied upon by the Court. Those decisions had upheld the validity of the provision against objections based on excessive delegation and article 14, and no reason was found to depart from that view.

Conclusion: The validity of section 3-A and the notifications issued under it was upheld.

Issue (iv): Whether the existence of an alternative statutory appeal should preclude relief under article 226.

Analysis: Although an alternative remedy was available, the Court interfered because the issues affected a large class of persons and the impugned assessment disclosed patent illegality on its face.

Conclusion: Relief under article 226 was not barred by the alternative remedy.

Final Conclusion: The assessment was quashed to the extent that it treated carbon-paper and typewriter ribbons as taxable at the impugned higher rates, while the constitutional and delegated-legislation challenge failed.

Ratio Decidendi: Goods must be classified according to their ordinary commercial identity, and an article that is only an accessory or support component, rather than a necessary constituent of the finished machine or commodity, cannot be taxed as a part of that article.

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