Bona fide dispute bars interest on tax, while exemption by Form III-B and paper classification depend on strict proof.

Exemption on purchases based on Form III-B depends on timely production of the forms before the assessing and appellate authorities; where the forms were not filed, the claim was treated as invalid. Corrugated sheets were considered distinct from paper for the relevant sales tax notification on the basis of factual classification, so the paper exemption did not apply. Interest on disputed tax under section 8(1) of the U.P. Sales Tax Act was held unsustainable where the assessee's challenge to liability was bona fide and no finding negativing bona fides had been recorded.

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Issues: (i) Whether the assessee was entitled to exemption on the basis of form III-B for the purchases made; (ii) whether corrugated sheets could be treated as "paper" for the purpose of the relevant sales tax notification; and (iii) whether interest could be levied under section 8(1) of the U.P. Sales Tax Act on disputed tax relating to corrugated sheets.

Issue (i): Whether the assessee was entitled to exemption on the basis of form III-B for the purchases made.

Analysis: The forms III-B were not filed before the assessing authority or the appellate authorities. The Tribunal held the forms to be invalid for all the assessment years in question, and no error of law was shown in that conclusion.

Conclusion: The claim for exemption on the basis of form III-B was rejected.

Issue (ii): Whether corrugated sheets could be treated as "paper" for the purpose of the relevant sales tax notification.

Analysis: The Tribunal recorded a finding of fact that corrugated sheets were different from paper under Notification No. ST-II-332/X dated 15th November, 1971. No legal error was found in that classification.

Conclusion: Corrugated sheets were held not to be paper.

Issue (iii): Whether interest could be levied under section 8(1) of the U.P. Sales Tax Act on disputed tax relating to corrugated sheets.

Analysis: The assessee had consistently disputed liability on corrugated sheets, and the dispute was treated as bona fide. No finding had been recorded that the claim was not bona fide. In such circumstances, the levy of interest under section 8(1) could not be sustained merely because the assessee's claim had ultimately failed.

Conclusion: The levy of interest on the disputed tax was set aside.

Final Conclusion: The revisions were allowed only to the extent of deleting the interest liability on the disputed tax relating to corrugated sheets, while the remaining findings of the Tribunal were upheld.

Ratio Decidendi: Interest on disputed tax under section 8(1) of the U.P. Sales Tax Act is not leviable where the assessee's contest is bona fide and no finding is recorded that the claim lacks bona fides.

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