Treaty exemption and domestic loss carry forward can coexist when gains and losses are treated separately under tax law.

Treaty exemption for long-term capital gains under the India-Singapore DTAA did not prevent the assessee from computing and carrying forward the related long-term capital loss under the Income-tax Act, 1961, because each transaction could be treated as a separate source of income. The gains covered by the more beneficial treaty were excluded from Indian taxation, while the domestic loss remained available for carry forward. A disallowance made through intimation under section 143(1) on this debatable issue was invalid, as summary processing could not be used without the prescribed procedure.

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Issues: (i) Whether long-term capital gain covered by the India-Singapore DTAA could be excluded from Indian taxation while the related long-term capital loss was carried forward under the Income-tax Act, 1961. (ii) Whether disallowance of carry forward of long-term capital loss could be made through intimation under section 143(1) on a debatable issue without following the prescribed procedure.

Issue (i): Whether long-term capital gain covered by the India-Singapore DTAA could be excluded from Indian taxation while the related long-term capital loss was carried forward under the Income-tax Act, 1961.

Analysis: The applicable treaty benefit for gains on transfer of shares acquired before the relevant cutoff date meant that such capital gains did not enter the computation of total income in India. The loss side of the transaction was examined separately, and the reasoning treated each transaction as an independent source of income. Where the treaty was more beneficial, the assessee was entitled to rely on it for the gains, while the losses suffered under the Act could still be computed and carried forward under the domestic law. The set-off of losses against treaty-exempt gains was therefore not required.

Conclusion: The assessee was entitled to claim treaty exemption for the long-term capital gains and to carry forward the long-term capital losses under the Income-tax Act, 1961.

Issue (ii): Whether disallowance of carry forward of long-term capital loss could be made through intimation under section 143(1) on a debatable issue without following the prescribed procedure.

Analysis: The record indicated absence of the mandatory prior intimation contemplated by section 143(1)(a), and the adjustment itself concerned a disputed question on the interplay between treaty exemption and domestic carry forward rules. Since the issue was debatable, it was outside the scope of a summary adjustment under section 143(1). The enhancement of the disallowance through the appellate order on that basis was therefore unsustainable.

Conclusion: The adjustment disallowing carry forward of loss under section 143(1) was not valid.

Final Conclusion: The assessee succeeded in establishing that treaty exemption for the gains and carry forward of the losses were not mutually exclusive on the facts, and the summary disallowance could not be sustained.

Ratio Decidendi: For purposes of treaty benefit and domestic loss carry forward, each transaction may be treated as a separate source of income, and a debatable adjustment cannot be made in summary processing under section 143(1).

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