Excess Profits Tax business test: letting out redundant plant after manufacturing ceased was not business income, and Section 10A could not apply.

Where a manufacturing business has completely ceased, rent from letting out plant, machinery and allied assets is not treated as carrying on a business under the Excess Profits Tax Act; the income is viewed as exploitation of redundant property, not a trading operation. Section 10A cannot be used to amalgamate the incomes of related firms unless the Act is otherwise applicable to an existing business of the assessee during the relevant period, so the anti-avoidance machinery fails where no such business exists. On that basis, the share of income of a partner in a connected selling agency firm could not be included in the assessee's excess profits tax assessment.

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Issues: (i) Whether the letting out of plant, machinery and allied assets after the assessee's manufacturing business had ceased amounted to carrying on a business within the meaning of the Excess Profits Tax Act. (ii) Whether Section 10A of the Excess Profits Tax Act could be invoked to amalgamate the incomes of the assessee firm and the related firms when the assessee had no business to which that Act applied during the relevant period. (iii) Whether, on the facts, the share of income of Dr. Surmukh Singh in the selling agency firm could be included in the assessee's excess profits tax assessment.

Issue (i): Whether the letting out of plant, machinery and allied assets after the assessee's manufacturing business had ceased amounted to carrying on a business within the meaning of the Excess Profits Tax Act.

Analysis: The relevant test was whether the activity disclosed a real, substantial and systematic business operation or merely the exploitation of redundant property after the assessee's normal trading activity had ended. The assessee's manufacturing business had come to a complete stop, the plant and machinery had ceased to be a commercial asset in active use, and the assets were let out because they could no longer be used in the business. The situation was distinguishable from a case of temporary letting of an asset during an ongoing business. Applying ordinary common-sense principles, the receipt of rent in these circumstances was not a trading operation and did not fall within the statutory conception of business.

Conclusion: The issue was decided in favour of the assessee. The letting out of the machinery was not a business within Section 2(5) of the Excess Profits Tax Act.

Issue (ii): Whether Section 10A of the Excess Profits Tax Act could be invoked to amalgamate the incomes of the assessee firm and the related firms when the assessee had no business to which that Act applied during the relevant period.

Analysis: The charge under the Excess Profits Tax Act presupposed the existence of a business carried on by the assessee during the chargeable accounting period. Section 10A operated only where the Act already applied to a business and a transaction had to be adjusted for avoidance or reduction of excess profits tax. Once it was held that the assessee had no business within the statutory meaning during the relevant period, the foundational condition for applying Section 10A disappeared. The question of amalgamating incomes of the connected firms could not therefore be sustained.

Conclusion: The issue was decided in favour of the assessee. Section 10A could not validly be applied to amalgamate the incomes of the related firms with the assessee's income.

Issue (iii): Whether, on the facts, the share of income of Dr. Surmukh Singh in the selling agency firm could be included in the assessee's excess profits tax assessment.

Analysis: This question arose only as a consequence of the attempted application of Section 10A and the amalgamation of the firms' incomes. Once the assessee was held not to be carrying on a business liable to excess profits tax and Section 10A was found inapplicable, the basis for including the share of income of the non-assessee partner in the assessee's assessment fell away.

Conclusion: The issue was decided in favour of the assessee. The share of income of Dr. Surmukh Singh could not be included in the assessee's assessment.

Final Conclusion: The assessee was held not to have been carrying on a business within the statutory definition during the relevant period, with the result that the anti-avoidance machinery under Section 10A was unavailable and the impugned excess profits tax amalgamation failed.

Ratio Decidendi: Where a manufacturing business has completely ceased and the assessee merely lets out redundant assets that have ceased to be commercial assets, the resulting income is not business income and the anti-avoidance provisions of the excess profits tax law cannot be invoked unless the Act is otherwise applicable to an existing business.

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