Modvat declaration requirement bars credit for an undeclared final product; classification list cannot replace the prescribed declaration.

Modvat credit was held inadmissible where the final product had not been properly declared under the prescribed rules. The declaration requirement was treated as substantive compliance, and a classification list was not a substitute for the declaration mandated by the scheme. On the facts, there was a complete absence of declaration for the product in question, so authorities dealing with ambiguity or incomplete disclosure did not apply. The omission was not a mere procedural lapse. The order allowing credit was set aside and the department's appeal succeeded.

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Issues: Whether Modvat credit could be allowed when the final product had not been properly declared under the prescribed rule and the declaration filed did not cover the goods in question.

Analysis: The declaration requirement under the Modvat scheme was treated as a substantive compliance requirement, and filing of a classification list was held not to be a substitute for the declaration contemplated by the rules. On the facts, there was no declaration at all for the final product concerned, and the earlier authorities relied upon by the assessee were found inapplicable because they dealt with situations of ambiguity or incomplete disclosure rather than complete absence of declaration. The finding that the omission was only a procedural lapse was therefore rejected.

Conclusion: Modvat credit was not admissible on the undeclared final product, and the assessee's claim for credit failed.

Final Conclusion: The order allowing the credit was set aside and the department's appeal succeeded, with consequential relief flowing from that result.

Ratio Decidendi: Where the declaration required under the Modvat rules is completely absent for the final product, credit cannot be granted merely because a related classification list was filed or the department otherwise knew the assessee's activity.

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