Reassessment barred by appellate finality and no retrospective effect for tax notification in concessional rate dispute.

A reassessment notice under the Kerala General Sales Tax Act was treated as unsustainable where the rate of tax had already been concluded in appellate proceedings, because the assessing authority could not reopen a matter that had merged in the appellate order. The notice also failed because Notification S.R.O. No. 1516 of 1990 was held to operate prospectively only and not as a retrospective clarification, so it could not be applied to withdraw the concessional rate for an earlier period. On that basis, the reassessment action was quashed.

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Issues: (i) whether the reassessment notice issued under section 19 of the Kerala General Sales Tax Act, 1963 could be sustained when the rate of tax had already been decided in appeal; (ii) whether Notification S.R.O. No. 1516 of 1990 could be applied retrospectively to deny the concessional rate.

Issue (i): whether the reassessment notice issued under section 19 of the Kerala General Sales Tax Act, 1963 could be sustained when the rate of tax had already been decided in appeal.

Analysis: The appellate authority had set aside the original assessment and directed fresh disposal on the basis of the concessional rate. The assessment question on the rate applicable to the goods thus stood concluded by the appellate order. Once the matter had merged in the appellate decision, the assessing authority could not reopen it under section 19 so as to override the appellate direction.

Conclusion: The reassessment notice was without jurisdiction and could not be sustained.

Issue (ii): whether Notification S.R.O. No. 1516 of 1990 could be applied retrospectively to deny the concessional rate.

Analysis: The notification itself was held to operate only prospectively and not as a clarificatory amendment with retrospective effect. Since the notice was founded on applying that notification to an earlier period, the basis for reopening failed.

Conclusion: The notification had no retrospective effect and could not justify the reassessment notice.

Final Conclusion: The notice quashed by the Court could not stand in law, and the assessee succeeded in challenging the reassessment action.

Ratio Decidendi: An assessment issue concluded by an appellate order cannot be reopened by the assessing authority under section 19, and a notification lacking retrospective operation cannot be used to disturb the concluded position.

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