Accrued Modvat credit cannot be retrospectively lapsed by delegated rule for completed transactions and pre-cut-off manufacture.

Accrued Modvat credit under the existing Central Excise scheme was treated as a protected entitlement for completed transactions, and a delegated rule could not retrospectively extinguish it for goods manufactured and cleared before the cut-off date. The analysis states that Rule 57F(4A) could not validly lapse unutilised credit attributable to inputs already used in such manufacture, because Section 37 of the Central Excise Act did not authorise a rule that impaired rights already crystallised under the earlier regime. The challenge therefore succeeded for assessees in respect of pre-16 March 1995 goods and accumulated credit.

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Issues: Whether Rule 57F(4A) of the Central Excise Rules, 1944 could validly lapse unutilised Modvat credit in respect of goods manufactured before 16 March 1995 and whether Section 37 of the Central Excise Act, 1944 authorised such a rule.

Analysis: The credit facility under the Modvat scheme operated as part of the statutory tax adjustment mechanism and, once inputs had suffered duty and the credit had accrued under the existing scheme, the entitlement could not be treated as a mere concession liable to be withdrawn so as to affect transactions already completed. The rule sought to apply the lapse to credit attributable to inputs already used in manufacture of final products cleared before the cut-off date, thereby affecting rights that had already crystallised under the earlier regime. On that basis, the rule-making power under Section 37 did not extend to the impugned lapse in relation to such pre-existing goods and accumulated credit.

Conclusion: Rule 57F(4A) could not be applied to goods manufactured prior to 16 March 1995 on which duty had already been paid and credit had already been availed for further manufacture, and the challenge succeeded in favour of the assessees.

Ratio Decidendi: Accrued Modvat credit arising under an existing statutory scheme constitutes a protected entitlement for completed transactions, and a delegated rule cannot retrospectively extinguish that credit in respect of goods and inputs to which the earlier scheme had already attached.

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