Below is a structured, exam‑ and practice‑ready legal exposition of “Cases in which no deduction shall be made” under section 16 of the Income Tax Act [Chapter 23:06], integrating Zimbabwean legislation and leading court decisions you cited. The discussion explains the principle behind each prohibition, supported by authoritative case law, and shows how courts have interpreted and enforced these limitations.

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Cases in Which No Deduction Shall Be Made under Zimbabwean Income Tax Law

1. Introduction

The deductibility of expenditure is a foundational principle of income tax law. In Zimbabwe, this principle is primarily governed by section 15 of the Income Tax Act [Chapter 23:06], which allows deductions of expenditure incurred in the production of income. However, this permissive rule is expressly curtailed by section 16, titled “Cases in which no deduction shall be made”.

Section 16 embodies the legislature’s intent to:

• protect the tax base;
• prevent the erosion of taxable income through personal, capital, or artificial expenses; and
• codify long‑standing common‑law principles distinguishing business expenditure from private or capital outlays.

Zimbabwean courts have consistently upheld these restrictions, emphasizing that no deduction exists unless clearly authorised by statute.

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2. Personal and Domestic Expenditure (Section 16(1)(a) & (b))

2.1 Maintenance of the Taxpayer and Family

Section 16(1)(a) disallows:

“the cost incurred by any taxpayer in the maintenance of himself, his family or establishment.”

This reflects the principle that personal living expenses do not become deductible merely because the taxpayer earns income.

Case Law

In L v Commissioner of Taxes 91‑HH‑001, a legal practitioner sought to deduct the cost of an eye operation, arguing that good eyesight was essential to his profession. The High Court rejected the claim, holding that:

• medical expenses remain personal in nature; and
• professional necessity does not convert personal maintenance into deductible expenditure.

This case firmly establishes that dual‑purpose arguments cannot override statutory prohibition.

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2.2 Private and Domestic Expenses

Section 16(1)(b) disallows:

• domestic expenses; and
• travelling between home and the place of trade.

The courts have consistently treated home‑to‑work travel as a personal choice, not a business necessity.

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3. Recoverable Losses and Taxes (Section 16(1)(c), (d) & (d1))

3.1 Insurable Losses

Section 16(1)(c) disallows losses or expenses recoverable under insurance or indemnity. The rationale is that allowing deductions for compensated losses would result in unjust enrichment.

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3.2 Income Tax and Interest

Section 16(1)(d) disallows:

• income tax itself; and
• interest payable on such tax.

This aligns with the principle that tax on income is an application of profits, not an expense incurred in producing income.

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3.3 Intermediated Money Transfer Tax (IMTT)

Section 16(1)(d1) disallows IMTT deductions.
In Mlilo M v Minister of Finance 19‑HH‑605, the High Court declared the IMTT provisions unconstitutional. However, pending final determination on appeal, the legislative disallowance reflects Parliament’s intent to prevent cascading deductions of transaction taxes.

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4. Reserves and Capitalisation (Section 16(1)(e))

Amounts carried to reserves or capitalised are non‑deductible because they represent appropriation of profits, not expenses.

Case Law

In CF (Pvt) Ltd v ZIMRA 18‑HH‑099 and DNS (Pvt) Ltd v ZIMRA 19‑HH‑722, the High Court held that:

• amounts transferred to reserves do not reduce taxable income; and
• accounting treatment cannot override statutory tax characterisation.

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5. Exempt and Foreign‑Source Income (Section 16(1)(f))

Expenditure incurred in producing:

• exempt income, or
• income not sourced in Zimbabwe,

is expressly disallowed.

Case Law

In T Ltd v Commissioner of Taxes 66‑RLR‑021, the court affirmed the matching principle:

Expenditure must follow the tax character of the income it produces.

Thus, exempt income carries non‑deductible expenditure.

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6. Employee Benefit Funds and Opportunity Costs (Section 16(1)(g) & (h))

Contributions to employee benefit funds are generally disallowed unless specifically authorised elsewhere in the Act. Similarly, notional interest on capital employed in trade is non‑deductible because:

• it is hypothetical; and
• not actually incurred.

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7. Premises Not Used for Trade (Section 16(1)(i))

Rent and repairs relating to:

• private dwellings; or
• premises not used for trade,

are disallowed, except where a clearly identifiable portion is used exclusively for business.

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8. Restrictive Trade Agreements (Section 16(1)(j))

Expenditure incurred to restrain another trader from dealing with competitors is disallowed, reflecting public‑policy concerns against anti‑competitive practices.

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9. Passenger Motor Vehicles (Section 16(1)(k))

The Act imposes monetary caps on lease expenditure for passenger motor vehicles. Any excess above prescribed thresholds is non‑deductible.

These limits reflect:

• the mixed personal/business use of vehicles; and
• the legislature’s intent to curb excessive luxury deductions.

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10. Share‑Based Remuneration (Section 16(1)(l))

The cost of shares awarded to employees or directors is disallowed, as it constitutes:

• a capital transaction; and
• an appropriation of equity, not an expense.

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11. Entertainment Expenditure (Section 16(1)(m))

Entertainment expenses are broadly disallowed.

Case Law

• SZ (Pvt) Ltd v ZIMRA 20‑HH‑142 held that meals provided at a mine canteen were not entertainment.
• IAB Company v ZIMRA 22‑HH‑032 adopted a hospitality test, confirming that meals forming part of normal working conditions may be deductible.

These cases illustrate that context, not labels, determines deductibility.

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12. Interest and Banking‑Related Income (Section 16(1)(o))

Expenditure incurred to produce interest income from banks or building societies is disallowed, preventing double benefits where such interest is taxed on a concessional basis.

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13. Thin Capitalisation (Section 16(1)(q))

Interest and debt‑servicing costs are disallowed where a debt‑to‑equity ratio exceeds 3:1.

Case Law

In NOC (Pvt) Ltd v ZIMRA 19‑HH‑765, the court ruled that:

• taxpayers may not split interest expenditure into deductible and non‑deductible portions to avoid the statutory limit.

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14. Management and Administration Fees to Associates (Section 16(1)(r))

Strict caps apply to management and administration fees paid to associated enterprises.

Case Law

• MR Bank Ltd v ZIMRA 19‑HH‑779
• GFZ Ltd v ZIMRA 19‑HH‑843
• MBCA Bank Ltd v ZIMRA 21‑SC‑140

The courts consistently upheld:

• quantitative limits; and
• penalties for deliberate misapplication of deduction provisions.

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15. Foreign Exchange‑Related Interest (Section 16(1)(s))

Interest in excess of what would have been payable using ordinary exchange rates is disallowed, preventing exchange‑rate manipulation.

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16. Royalty Payments (Section 16(1)(t))

Royalty deductions are capped at:

• 1½% of annual turnover or
• the arm’s‑length value under the Thirty‑Fifth Schedule,

whichever is lower.

This prevents base erosion through excessive IP charges.

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17. Rental Deductions and Beneficial Ownership (Section 16(1)(u))

Rental expenses claimed by nominees are disallowed unless:

• full disclosure of beneficial ownership is made.

This provision combats opacity and nominee abuse.

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18. Commissioner’s Residual Discretion (Section 16(2))

Even where expenditure is not expressly listed, the Commissioner may disallow any deduction not directly related to trade in Zimbabwe. This reinforces the substance‑over‑form principle.

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19. Conclusion

Section 16 of the Income Tax Act represents a comprehensive statutory codification of non‑deductible expenditure, firmly supported by Zimbabwean jurisprudence. Courts have consistently affirmed that:

• deductibility is a matter of legislative grace; and
• taxpayers bear the burden of proving compliance with both section 15 (allowance) and section 16 (prohibition).

Together, the legislation and case law ensure that only genuine, income‑producing business expenses reduce taxable income, preserving the integrity of Zimbabwe’s income tax system.

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