Contractual commission and excess profits tax deductions turn on agreement terms and objective business necessity.

Contractual commission on an employee's net profits is governed by the agreement's own computation formula; where the clause does not exclude excess profits tax, that tax is deductible before calculating the commission. By contrast, additional commission paid to branch managers and other employees under the excess profits tax regime is deductible only if it is objectively reasonable and necessary for the business, having regard to the services rendered. That assessment is primarily for the taxing authorities, and their factual finding of excessiveness cannot be displaced by reappreciation of evidence in advisory jurisdiction. The article distinguishes contractual construction from statutory deductibility.

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Issues: (i) Whether, in computing the commission payable to the managing employee on net profits, excess profits tax paid by the assessee was deductible before calculating the commission. (ii) Whether the commission paid to branch managers, assistant managers and other employees was deductible as reasonable and necessary expenditure under the excess profits tax regime.

Issue (i): Whether, in computing the commission payable to the managing employee on net profits, excess profits tax paid by the assessee was deductible before calculating the commission.

Analysis: The commission clause was construed on its terms. The expression "net profits" was read with the agreement's own formula for computation of profits after deducting salaries, wages and other outgoings, and there was no basis for confining "outgoings" to business outgoings only. The agreement did not exclude excess profits tax, and the tax was treated as part of the profits only in a general sense, not as something that must necessarily be excluded in arriving at the contractual net profits.

Conclusion: The excess profits tax was deductible before computing the commission payable under the agreement.

Issue (ii): Whether the commission paid to branch managers, assistant managers and other employees was deductible as reasonable and necessary expenditure under the excess profits tax regime.

Analysis: Deductibility under the excess profits tax provisions depended on objective reasonableness and necessity having regard to the requirements of the business and the actual services rendered. The primary function of assessing that reasonableness lay with the taxing authorities, subject to appellate review. The High Court, exercising only advisory jurisdiction on references, could not reappreciate the evidence and substitute its own view for that of the tax authorities. On the materials found, the authorities' conclusion that the additional commission was excessive and not justified by business necessity was supported by evidence.

Conclusion: The disallowance of the commission paid to branch managers and other employees was justified under the excess profits tax provisions.

Final Conclusion: The appeal on the managing employee's commission succeeded on construction of the agreement, while the challenge to the disallowance of branch-level commission failed because the tax authorities' finding of unreasonableness stood.

Ratio Decidendi: In tax references concerning deductions for employee remuneration, contractual interpretation governs the computation of agreed commission, but the allowability of additional commission under the excess profits tax law turns on objective reasonableness and necessity as assessed by the taxing authorities, whose factual findings cannot be displaced by a reappreciation of evidence in advisory jurisdiction.

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