Tariff classification of lead anodes turns on purity and test evidence, not shape or end-use alone.

Classification of lead anodes depends on the HSN distinction between electroplating anodes and cast anodes for electrolytic refining: purity and the function of impurities are decisive, and shape, hooks, or stated end-use are not enough without supporting test evidence. Where the Revenue cannot prove the ingredients of the proposed tariff heading, reclassification cannot be sustained. If the classification basis fails, the extended period of limitation also lacks support, and consequential duty demand and penalty cannot survive. The note therefore confirms that tariff classification must rest on affirmative technical material, not assumptions from appearance or use.

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Issues: (i) Whether the goods manufactured by the appellant were classifiable as cast anodes of lead under Heading 7801.90 or as electroplating anodes under Heading 7806.00/7808.00; (ii) whether the demand invoking the larger period of limitation was sustainable; and (iii) whether duty and penalty could survive once the proposed reclassification failed.

Issue (i): Whether the goods manufactured by the appellant were classifiable as cast anodes of lead under Heading 7801.90 or as electroplating anodes under Heading 7806.00/7808.00.

Analysis: The classification turned on the distinction drawn in the HSN explanatory notes between electroplating anodes and cast anodes for electrolytic refining. The relevant test was the purity of the anode and the function of any impurity, not merely the shape of the goods, the presence of a hook, or the end-use described by the department. The notices did not rely on any test report showing a high degree of purity or identifying impurities serving a depolarising function. In the absence of such material, the approved classification could not be displaced.

Conclusion: The goods were not proved to be classifiable under Heading 7806.00/7808.00, and the attempted reclassification failed.

Issue (ii): Whether the demand invoking the larger period of limitation was sustainable.

Analysis: Since the department failed to establish the proposed classification, the basis for sustaining the extended period was also not made out.

Conclusion: The invocation of the larger period of limitation was not upheld.

Issue (iii): Whether duty and penalty could survive once the proposed reclassification failed.

Analysis: The duty demand and penalty were consequential to the disputed reclassification. Once the proposed classification was rejected and the limitation plea failed, no enforceable duty demand remained on the record.

Conclusion: The duty demand and penalty were set aside.

Final Conclusion: The appeal succeeded in full and the impugned demands and penalties were annulled.

Ratio Decidendi: In a classification dispute, the Revenue must affirmatively prove the ingredients of the proposed tariff heading, and where the HSN notes make purity the decisive criterion, classification cannot be altered on the basis of shape or end-use alone without supporting test evidence.

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