Block assessment limits undisclosed income to search material; recorded transactions and notional adjustments could not be taxed.

Block assessment under Chapter XIV-B can reach only income shown to be undisclosed on the basis of search material; recorded transactions in regular books or return filings cannot be converted into undisclosed income by notional valuation, disallowance of expenses, reclassification between income heads, or other fresh appraisal of disclosed items. On the facts, no incriminating material was found to support the additions, the jurisdictional basis for invoking section 158BD was not established, and the share-loss adjustment was unsupported because the transactions were genuine and recorded. Interest under section 158BFA was also held not leviable once the block additions failed.

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Issues: (i) whether the block assessment under Chapter XIV-B could sustain additions where no incriminating material was found in search and the relevant transactions stood recorded in the regular books or return filings; (ii) whether notional enhancement of annual letting value, disallowance of expenses, reassessment between heads of income, and similar adjustments could be treated as undisclosed income; (iii) whether the loss on sale of shares could be disallowed and treated as undisclosed income; and (iv) whether interest under section 158BFA was leviable.

Issue (i): whether the block assessment under Chapter XIV-B could sustain additions where no incriminating material was found in search and the relevant transactions stood recorded in the regular books or return filings;

Analysis: The assessment was founded on books of account and regular records, not on material found in search showing suppression or non-recording of transactions. For the years where the return had already been filed, or where the previous year had not ended or the return was not yet due, the statutory limits of block assessment were not satisfied. The recording of books and the absence of any adverse search material also meant that the foundational satisfaction for invoking section 158BD was not established on the facts.

Conclusion: The additions could not be sustained as undisclosed income in block assessment, and the jurisdictional challenge succeeded in substance.

Issue (ii): whether notional enhancement of annual letting value, disallowance of expenses, reassessment between heads of income, and similar adjustments could be treated as undisclosed income;

Analysis: The adjustments made by the assessing authority were based on a fresh view of disclosed transactions, including a notional increase in house property income, reclassification of business receipts, and disallowance of expenses. No material was shown to establish that the receipts, transactions, or expenses were unrecorded, bogus, or discovered as a result of search. Such reappraisal of disclosed income falls outside the limited purpose of Chapter XIV-B.

Conclusion: These additions were not sustainable and could not be treated as undisclosed income.

Issue (iii): whether the loss on sale of shares could be disallowed and treated as undisclosed income;

Analysis: The share transactions were found to be genuine, recorded in the books, and supported by surrounding commercial material. No incriminating evidence showed that the loss was fictitious or manipulated. The reasoning that the loss should be disregarded because of a suspected set-off motive was unsupported by any search material and amounted to an impermissible substitution of opinion for evidence.

Conclusion: The loss on sale of shares could not be added as undisclosed income and the disallowance was deleted.

Issue (iv): whether interest under section 158BFA was leviable;

Analysis: The search had taken place before the statutory cut-off date referred to in the provision, and in any event the foundation for the interest charge disappeared once the block additions were deleted.

Conclusion: Interest under section 158BFA was not leviable.

Final Conclusion: The block assessment failed in its entirety because no undisclosed income was established on the basis of search material, and all impugned additions and consequential interest were deleted.

Ratio Decidendi: In block assessment proceedings, only income undisclosed as a result of search material can be brought to tax, and disclosed or recorded transactions cannot be converted into undisclosed income by mere reappraisal, notional adjustments, or change of opinion.

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