Retrospective exemption notifications require clear statutory authority; beneficial tax relief does not automatically apply to past clearances.

A beneficial exemption notification does not operate retrospectively merely because it is advantageous to taxpayers. Subordinate legislation can apply to past clearances only if the enabling statute authorises retrospective operation by express words or necessary implication. On that reasoning, Notification No. 130/83-C.E. was treated as prospective only, so it did not cover sugar clearances made before its issue and the refund claim for earlier clearances was not sustainable.

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Issues: Whether Notification No. 130/83-C.E. operated retrospectively so as to cover clearances of sugar made before its date of issue and entitle the appellant to refund.

Analysis: The notification exempted sugar produced from the sugar year 1980-81 onwards by specified factories, but nothing in its language showed an express or implied intention to confer retrospective effect on clearances already made. Retrospectivity cannot be presumed merely because the measure is beneficial, and subordinate legislation can operate retrospectively only where the enabling provision authorises it in express terms or by necessary implication. The cited authority on retrospective laws did not support the contention that a beneficial exemption notification automatically takes effect from an earlier date.

Conclusion: The notification was not retrospective and the refund claim for earlier clearances was not sustainable; the finding was against the assessee.

Final Conclusion: The appeals failed and the lower appellate order was maintained.

Ratio Decidendi: A delegate cannot confer retrospective effect on a notification or rule unless the enabling statute clearly authorises such operation by express words or necessary implication.

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