Commercial identity test keeps sewing thread within cotton yarn classification for concessional sales tax treatment.

Sewing thread was treated as cotton yarn for sales tax classification because the product retained its essential commercial identity despite being twisted or rolled into a different form. Applying the common parlance test, the Orissa High Court noted that cotton yarn was specifically notified at the concessional rate, while sewing thread was not separately listed, and held that limited processing or change in use does not create a new commodity if the original identity remains recognisable. On that basis, sewing thread fell within the notified category of cotton yarn and was taxable at the lower rate applicable to that commodity.

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Issues: Whether sewing thread sold by the dealer was cotton yarn for the purpose of tax classification under the Orissa Sales Tax Act, and consequently liable to tax at the special rate applicable to cotton yarn rather than at the general rate.

Analysis: The governing rate structure under section 5 of the Orissa Sales Tax Act imposed tax at the general rate unless a notified commodity attracted a different rate. Cotton yarn was specifically notified at a lower rate, while sewing thread was not separately listed. As the statute did not define either expression, the proper approach was the common parlance test. On that basis, the Court examined the ordinary commercial understanding of yarn and thread, the extent of processing involved, and whether the original identity of yarn was lost when it was twisted or rolled into sewing thread. The Court accepted that sewing thread is produced from yarn, but held that mere change in form or use does not necessarily create a new commercial commodity if identity is retained. Support was drawn from the principle that a commodity does not become a different goods merely because it undergoes limited processing, so long as it remains recognisable as the original commodity in the commercial sense.

Conclusion: Sewing thread was held to be cotton yarn for tax purposes and was therefore exigible to tax at the lower rate applicable to cotton yarn, in favour of the assessee.

Final Conclusion: The reference was answered by treating sewing thread as falling within the notified category of cotton yarn, with the reassessment based on the general rate not sustained.

Ratio Decidendi: Where a processed product retains its essential commercial identity and is understood in ordinary parlance as the same commodity, it remains classifiable as that commodity for tax purposes despite a change in form or specific use.

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