Prospective unjust enrichment and exclusion of interest on receivables shaped refund recomputation under provisional assessment rules.

An amendment introducing unjust enrichment into Rule 9B(5) of the Central Excise Rules, 1944, operated prospectively and did not apply to refunds from provisional assessments relating to periods before 25-6-1999; refund claims for those earlier periods were therefore not hit by the bar, though the unpressed post-amendment amount in one appeal was excluded. Interest on receivables was held to be excludible from assessable value, and the lower authority could not travel beyond the remand directions by limiting the deduction to post-1996 periods; recomputation had to allow the deduction for the full relevant period.

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Issues: (i) whether the amended proviso to Rule 9B(5) of the Central Excise Rules, 1944, introducing unjust enrichment, applied to refunds arising from provisional assessments relating to periods prior to the amendment; (ii) whether interest on receivables was excludible from assessable value and whether the lower authority travelled beyond the scope of the remand in disallowing the deduction; (iii) the refund amount for the post-amendment period in one appeal, which was not pressed.

Issue (i): whether the amended proviso to Rule 9B(5) of the Central Excise Rules, 1944, introducing unjust enrichment, applied to refunds arising from provisional assessments relating to periods prior to the amendment.

Analysis: The proviso inserted in Rule 9B(5) was held to be prospective and not retrospective. Where the provisional assessment related to a period prior to the amendment, the bar of unjust enrichment did not apply merely because the refund was finalised later. The appeals covering periods wholly before the amendment therefore stood on a different footing from the claim relating to the post-amendment portion.

Conclusion: The amended proviso did not apply to refunds arising from provisional assessments for periods prior to 25-6-1999. The assessee succeeded on this issue, except for the amount relating to the post-amendment period in one appeal.

Issue (ii): whether interest on receivables was excludible from assessable value and whether the lower authority travelled beyond the scope of the remand in disallowing the deduction.

Analysis: Interest on receivables was treated as not includible in the assessable value of the goods. The earlier remand had required recomputation, and the subsequent finding that interest was admissible only after 1996 was held to be beyond the remand directions. The authority was therefore required to recompute the refund after allowing the deduction, including for the period prior to 1996.

Conclusion: Interest on receivables was deductible and the disallowance was unsustainable. The assessee succeeded on this issue.

Issue (iii): the refund amount for the post-amendment period in one appeal, which was not pressed.

Analysis: The assessee did not press the refund claim for the amount attributable to the period after the amendment.

Conclusion: The claim for that amount stood rejected.

Final Conclusion: The appeals were substantially allowed in favour of the assessee, with partial exclusion confined to the unpressed post-amendment refund amount in one appeal.

Ratio Decidendi: An amendment imposing unjust enrichment on provisional assessment refunds operates prospectively, and interest on receivables is not part of assessable value; lower authorities cannot enlarge the scope of a remand and must confine themselves to the directions given.

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