Commercial Expediency Triumphs: Supreme Court Validates Interest Deductions on Loans Used for Subsidiary Investments Under Section 36(1)(iii)
In the complex world of corporate finance and taxation, businesses often borrow money not just for their immediate operations, but to invest in subsidiaries or sister concerns. For years, a tug-of-war has existed between taxpayers and the Revenue: can you claim a tax deduction for interest paid on a loan if that money was ultimately used by another company? A recent Supreme Court judgment in L.K. Trust v. Commissioner of Income Tax has provided much-needed clarity, reinforcing a principle that prioritizes business logic over rigid technicalities.
The Doctrine of Commercial ExpediencyThe core of this dispute centered on Section 36(1)(iii) of the Income Tax Act, 1961, which allows deductions for interest paid on "capital borrowed for the purposes of the business". The Revenue often argues that if the money is transferred to a subsidiary, it is no longer for the "taxpayer's business". However, the Supreme Court disagreed, emphasizing "commercial expediency". This means that if a business move makes sense for the health and growth of the corporate group as a whole, it qualifies as a legitimate business purpose.
The "Composite Business" RealityOne of the most insightful takeaways from this judgment is the recognition of modern business structures. The court noted that many entities operate as "composite" businesses, where money lending, investments, and operations are interlinked.
"The business of the appellant is also a composite one in as much as it carries on several businesses including the business of investment in shares through its subsidiaries."By acknowledging this, the court ensures that tax law reflects the reality of how modern conglomerates manage their capital and risks. Purpose vs. Profit: A Crucial Distinction
A common pitfall in tax litigation is the assumption that a borrowed sum must immediately generate profit to justify an interest deduction. The Supreme Court clarified that the law requires the funds to be borrowed for the "purpose" of the business, not necessarily for the immediate "earning of profits". This distinction is vital; it protects businesses during gestation periods or strategic shifts where capital is deployed for long-term stability rather than instant returns.
The "Lasting" Nature of Business PurposeThe judgment also touched upon a fascinating point regarding the continuity of business. Even if a specific branch or project for which a loan was originally taken is later closed or transferred, the interest remains deductible.
"The fact that the particular part of the business for which the loans had been obtained had been transferred or closed down did not alter the fact that the loans had, when obtained, been for the purpose of the assessee's business."This provides a safety net for entrepreneurs, ensuring that a failed project doesn't result in a double blow of business loss and disallowed tax deductions.
This ruling is a victory for pragmatic jurisprudence. By upholding the ITAT's view and setting aside the High Court's restrictive interpretation, the Supreme Court has reaffirmed that the "purpose of business" is a wide, inclusive umbrella that covers strategic investments and the financial health of subsidiary networks.
Case: L.K. TRUST v. COMMISSIONER OF INCOME TAX
Law: Income-tax Act.
Citation: 2026 INSC 474
Decision Date: 07-05-2026