Modvat credit documentation is procedural; technical invoice defects cannot defeat credit when duty-paid inputs are proved.

Procedural documentation requirements for Modvat credit under Rule 57G were treated as clarificatory and applicable to pending matters, so the amendment and circular did not alter the substantive right to credit. Where duty payment, receipt of inputs in the factory, and their use in manufacture were not disputed, credit could not be denied merely because the invoices were not marked as duplicate. The court therefore upheld credit despite the technical lapse, holding that a procedural defect cannot defeat entitlement when the substantive conditions are established. The second substantial question was not argued and was not decided.

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Issues: Whether the amendment inserting sub-rule (11) in Rule 57G of the Central Excise Rules, 1944, and the accompanying circular, applied to pending matters so as to permit Modvat credit despite non-production of invoices marked as duplicate where duty payment and receipt of inputs were not in dispute.

Analysis: The credit claim was denied only because the invoices were not marked as duplicate, while the duty-paid character of the inputs, their receipt in the factory, and their use in manufacture were not disputed. The relevant rules were construed as governing the procedure for availing credit, not as creating or destroying the substantive entitlement to credit. The amendment by Notification No. 7/99-CE (N.T.) and the Board's circular were treated as clarificatory of that procedural position and as applicable to pending cases, in line with the principle that procedural changes ordinarily apply to ongoing proceedings. The second substantial question was not argued and therefore was not decided.

Conclusion: The requirement was held to be procedural, and the assessee was entitled to Modvat credit despite the procedural lapse.

Final Conclusion: The appeal failed on the merits because the denial of Modvat credit based solely on the missing duplicate marking was unsustainable, and the Tribunal's allowance of credit was affirmed.

Ratio Decidendi: A procedural amendment governing the documentation for Modvat credit applies to pending cases and credit cannot be denied for a mere technical defect when duty payment and actual use of inputs are established.

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