Treaty attribution and refund interest under section 234D were ruled by prior assessment status and original regular assessment timing.

Interest received by overseas branches on external commercial borrowings extended to Indian borrowers was treated as not attributable to the Indian branches under the treaty claim, but the Tribunal followed its earlier decision in the assessee's own case and decided the issue against the assessee. Interest under section 234D was held chargeable only up to the date of the original regular assessment, because regular assessment means the first assessment under section 143(3) or 144 and not a later consequential or remand order. The challenge on this point was therefore accepted in part, limiting the charging period to the original assessment.

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Issues: (i) Whether interest received by overseas branches on external commercial borrowings extended to Indian borrowers was taxable in India or attributable to the Indian permanent establishment under the treaty. (ii) Whether interest under section 234D could be levied up to the date of the subsequent remand assessment or only up to the date of the original regular assessment.

Issue (i): Whether interest received by overseas branches on external commercial borrowings extended to Indian borrowers was taxable in India or attributable to the Indian permanent establishment under the treaty.

Analysis: The issue was treated as covered by the Tribunal's decision in the assessee's own case for an earlier assessment year, where the same claim had been rejected. The reasoning accepted that the interest on external commercial borrowings was not attributable to the Indian branches as such, but the earlier binding decision for the assessee's own case was followed for the year under appeal.

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

Issue (ii): Whether interest under section 234D could be levied up to the date of the subsequent remand assessment or only up to the date of the original regular assessment.

Analysis: Section 234D makes interest chargeable only for the period from the date of grant of refund to the date of regular assessment. Regular assessment means the first assessment made under section 143(3) or 144, and not a consequential order passed after appellate or remand proceedings. On that basis, the later assessment could not be treated as the terminal date for charging interest under section 234D.

Conclusion: Interest under section 234D was held leviable only up to the date of the original regular assessment and not up to the later remand assessment, in favour of the assessee.

Final Conclusion: The appeal was disposed of with one substantive issue decided against the assessee and the challenge to section 234D interest accepted to the extent of limiting the charging period to the original regular assessment.

Ratio Decidendi: For section 234D, interest on refund is chargeable only until the first regular assessment under section 143(3) or 144, and a subsequent consequential or remand order does not extend that period.

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