Statutory business liabilities are deductible under section 43B, but laboratory equipment donations failed the business-purpose test.

Statutory surcharge on sales tax and turnover tax paid under the relevant accounting system was deductible in computing business income, as the liability arose under state enactments and was examined with reference to section 43B. Expenditure on purchasing and handing over laboratory equipment to Government laboratories was not deductible, because a business nexus alone was insufficient and the outgoing did not satisfy the test of being laid out wholly and exclusively for business purposes. The assessee therefore succeeded on the statutory liability claim but failed on the laboratory equipment expenditure claim, resulting in partial allowance of the appeals.

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Issues: (i) Whether surcharge on sales tax and turnover tax paid by the assessee was allowable as a deduction in computing business income. (ii) Whether expenditure incurred for purchasing and handing over laboratory equipment to Government laboratories was allowable as revenue expenditure.

Issue (i): Whether surcharge on sales tax and turnover tax paid by the assessee was allowable as a deduction in computing business income.

Analysis: The liability arose under the State enactments governing surcharge and turnover tax, and the assessee followed the mercantile system of accounting. The payment was treated as a statutory obligation attached to the business activity, and the claim was considered in the light of the deductibility principles under the income-tax law, including the operation of section 43B where payment is made within the relevant time.

Conclusion: The deduction was allowable and the issue was decided in favour of the assessee.

Issue (ii): Whether expenditure incurred for purchasing and handing over laboratory equipment to Government laboratories was allowable as revenue expenditure.

Analysis: The equipment was purchased and transferred to Government laboratories, but the expenditure was not accepted as having been laid out wholly and exclusively for the purpose of carrying on the assessee's business in the sense required for deduction. A mere business nexus was held insufficient where the outgoing did not satisfy the test of business expenditure under the Act.

Conclusion: The expenditure was not allowable and the issue was decided against the assessee.

Final Conclusion: The appeal succeeded on the deduction claim for surcharge on sales tax and turnover tax, but failed on the laboratory expenditure claim, resulting in a partial allowance of the assessee's appeals.

Ratio Decidendi: Statutory business liabilities, when incurred under the relevant accounting system and paid within the framework of section 43B, are deductible, but expenditure must still satisfy the test of being laid out wholly and exclusively for the purpose of business to qualify as revenue deduction.

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