Retrospective exemption notifications and excise limitation: delegated tax relief cannot be backdated without authority, and extended recovery needs special grounds.

A subordinate exemption notification cannot operate retrospectively unless the enabling power clearly authorises retrospective effect, and an administrative direction cannot replace an operative exemption for the relevant period. On that basis, deduction of Fertilizer Pool Equalisation Charges was not available for the disputed period because the amending notification had not yet come into force. On limitation, in the absence of fraud or other special circumstances, the ordinary limitation period applied and the extended recovery period under Rule 10A was unavailable, so the demand was time-barred.

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Issues: (i) Whether the respondents were entitled to deduction of Fertilizer Pool Equalisation Charges for the period 18-7-1975 to 7-8-1975 under the exemption notification, and whether the later amending notification could operate retrospectively; (ii) whether the demand was barred by limitation and whether the extended period under Rule 10A could be invoked.

Issue (i): Whether the respondents were entitled to deduction of Fertilizer Pool Equalisation Charges for the period 18-7-1975 to 7-8-1975 under the exemption notification, and whether the later amending notification could operate retrospectively.

Analysis: The exemption under the relevant Central Excise notification was available only subject to the conditions prescribed therein and, for the disputed period, the amending notification had not yet been issued. A notification made under delegated legislative power cannot be given retrospective effect unless such power is conferred. The later notification was not shown to be merely clarificatory. The direction issued by the Ministry of Agriculture could not, by itself, substitute the absence of an operative exemption notification for the relevant period.

Conclusion: The respondents were not entitled to the deduction for the period 18-7-1975 to 7-8-1975, and the Revenue succeeded on merits.

Issue (ii): Whether the demand was barred by limitation and whether the extended period under Rule 10A could be invoked.

Analysis: There was no finding of fraud or any other special circumstance justifying invocation of the extended period. The respondents acted under a bona fide misunderstanding, and the notice was outside the normal limitation then applicable. Rule 10A was held inapplicable, and only the ordinary limitation period governed the demand.

Conclusion: The demand was time-barred and could not be enforced.

Final Conclusion: The appeal failed because, although the Revenue succeeded on the merits issue, the demand itself was unenforceable as barred by limitation; the dismissal of the appeal was thus sustained.

Ratio Decidendi: A subordinate exemption notification cannot be applied retrospectively unless the enabling provision authorises such retrospective operation, and where no fraud or special circumstance exists, the ordinary limitation period applies and the extended recovery provision cannot be invoked.

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