Provisional duty adjustment allows excess payment to offset short-paid duty, with interest payable only on the net shortfall.

In a provisional assessment context, excess duty paid on the same goods may be adjusted against short-paid duty for the disputed period, so only the net balance remains payable. The commentary further states that where a short-paid amount survives after such adjustment, interest is payable on that net shortfall for the relevant period. It also notes that if the original computation of interest is not consistent with governing principles, the matter may require fresh quantification by the adjudicating authority. The operative effect is allowance of duty adjustment and recalculation of interest on the net short-paid duty.

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Issues: (i) whether excess duty paid on the same product could be adjusted against the short-paid duty liability; (ii) whether interest was payable on the short-paid duty and required fresh quantification.

Issue (i): whether excess duty paid on the same product could be adjusted against the short-paid duty liability.

Analysis: The assessment was provisional and the records showed both excess payment and short payment of duty on the same goods during the disputed period. Reliance was placed on the settled view that such excess payment can be adjusted against the shortfall, and only the net balance, if any, remains payable. On that basis, the adjustment claimed by the assessee was held to be permissible in law.

Conclusion: The issue was decided in favour of the assessee.

Issue (ii): whether interest was payable on the short-paid duty and required fresh quantification.

Analysis: Where duty remains short-paid even after adjustment, interest follows for the period of short payment. Since the computation of interest by the adjudicating authority was not in accordance with the governing principles, the matter required reconsideration for proper quantification of interest liability.

Conclusion: Interest was held payable on the short-paid amount, and the question of quantification was remanded to the original authority.

Final Conclusion: The adjustment of excess duty was allowed, but the matter was sent back for fresh computation of interest on the net short-paid duty.

Ratio Decidendi: In a provisional assessment situation, excess duty paid on the same goods may be adjusted against short-paid duty, and interest is payable only on the net amount that remains short-paid for the relevant period.

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