The general deduction formula in Zimbabwe’s Income Tax Act [Chapter 23:06] is the fundamental rule that determines what business expenses are tax-deductible when calculating taxable income. It is encapsulated in Section 15(2)(a) of the Act, often called the “positive” deduction test, and allows deductions of “expenditure and losses to the extent to which they are incurred for the purposes of trade or in the production of the income”, provided they are not of a capital nature. In essence, any revenue expense a taxpayer incurs in carrying on a trade or business to earn income is deductible unless the law specifically prohibits it or classifies it as capital (which generally must be handled under special capital allowance provisions). This lecture-style guide will break down each element of Section 15(2)(a) – “expenditure and losses,” “actually incurred,” “in the production of income,” and “for the purposes of trade” – explaining the legal meaning of each term and illustrating them with real-world examples. We will also discuss how courts (in Zimbabwe and historically related jurisdictions) have interpreted these elements through landmark cases such as Port Elizabeth Electric Tramways, Joffe, New State Areas, Sub-Nigel, etc., and how those cases guide the application of the general deduction formula. Further, we will distinguish the general deduction rule from special deductions (specific allowances in tax law) and prohibited deductions (Section 16 of the Act), so you understand what falls outside Section 15(2)(a). Finally, we highlight legislative updates up to 2025 – including the 2018 amendment on prepaid expenses – and relevant 2026 budget proposals that affect deductions. The goal is to provide a clear, instructional resource on how the general deduction test is applied in Zimbabwean tax, with tables, examples, and case explanations for students and practitioners.

(For ease of reference, Section 15(2)(a) will often be paraphrased as allowing deductions of non-capital expenditure or losses “incurred in the production of income for the purposes of trade.”)

Section 15(2)(a) sets out several criteria that an expense must satisfy to be deductible. We will examine each element in turn:

For the purposes of trade

(Not of a capital nature – the capital limitation is discussed separately.)

Below is an overview flowchart of how these tests apply in sequence to determine if an item is deductible under Section 15(2)(a):

Flowchart: Applying the general deduction formula step by step – an expense must pass each condition (“Yes”) to be allowed under §15(2)(a), and even if it passes, one must ensure it’s not a prohibited deduction under §16.

“Expenditure and Losses”

Section 15(2)(a) covers “expenditure and losses” – a broad phrase that includes most outgoings of a business. “Expenditure” generally means any amount of money (or money’s worth) spent or costs incurred. “Losses” extends the deduction to losses not involving a payment, such as theft, embezzlement, damage, or other deprivation of assets occurring in the course of trade. Importantly, this term is not limited to accounting net loss on the income statement; it targets specific expenses or losses. For example, pilferage of stock or cash by employees, destruction of trading stock by fire, or money embezzled by a bookkeeper are treated as losses incurred in trade and can qualify. In the Zimbabwean context, a famous illustration is that losses from embezzlement by employees are deductible because they arise out of the trade operations. By contrast, losses that are intentionally incurred for personal reasons, or penalties for wrongdoing, do not meet the test (as discussed later under “purposes of trade”).

Real-world examples: If a retail shop’s inventory worth ZWL 5,000 is shoplifted, that loss is an involuntary business loss – it would fall within “expenditure and losses” incurred in producing income (assuming all other tests are met). Similarly, if a transport company’s vehicle is wrecked in an accident (and not insured), the write-off of its value is a loss. However, if an owner gifts inventory away without a business purpose, or writes off a debt owed by a friend as a favor, such outlays might not be truly “incurred for trade” (failing another limb of the test) even though they are a loss in a broad sense. The key is that the expense or loss must be connected to the business’s income-earning activities.

“Actually Incurred” (Timing and Obligation)

An expense is only deductible when it is “actually incurred” by the taxpayer. This phrase means that the taxpayer must have a definite and legal obligation to pay the amount during the year of assessment, even if the payment is made later. Zimbabwe follows the general tax principle (drawn from case law like New State Areas Ltd v CIR) that “actually incurred” does not mean the expense must be paid in cash by year-end – it is enough that the liability has arisen and is unconditional. For instance, if a business has received an invoice for goods or services delivered in December 2025, the expense is “incurred” in 2025 even if settled in 2026, because the obligation to pay existed in 2025. The courts have emphasized that “actually incurred does not mean actually paid”.

Conversely, expenses that are contingent or conditional at year-end are not “incurred.” If a liability will only arise upon some future event or decision, it has not crystallized in the current tax year. New State Areas is the leading case: the company had made a provision for bonuses and other costs that were contingent on future events, and the court held those were not incurred because the obligation was not unconditional by year-end. In simple terms, you cannot deduct anticipated expenses or provisions for which you are not yet definitively liable. For example, merely budgeting ZWL 100,000 for possible machinery repairs next year does not make it “incurred” now – if the machines haven’t broken yet and no repair contract exists, it’s just a reserve. Similarly, an estimate of future retrenchment costs or pending lawsuit damages is not deductible until the amount is certain or legally due. The High Court of Zimbabwe echoed this principle in a recent case, ruling that prepaying a future liability doesn’t accelerate the deduction: if a tax or fee is paid “early” before the law actually requires it, the payment is seen as a premature discharge of a contingent liability – not yet incurred in the legal sense.

Prepaid expenses: In fact, Zimbabwe’s law was amended to codify the treatment of prepayments. Section 15(2)(a) now explicitly excludes “expenditure that constitutes a prepayment for goods, services or benefits to be used in a later tax year,” except proportionally when those goods/services are used. This means if you prepay a multi-year expense (say, a 3-year insurance premium or rent paid in advance), you may only deduct the portion relating to the current year; the rest is deferred to the subsequent year(s) of use. For example, if in December 2025 a company pays ZWL 600,000 to cover rent for Jan–Dec 2026, that payment is a prepayment for a benefit in 2026. Section 15(2)(a) would prohibit deducting the entire ZWL 600,000 in 2025 – instead, the company would deduct it in 2026 (when the rental benefit occurs). This rule, introduced by Finance Act 1 of 2018, prevents taxpayers from front-loading deductions in one year for benefits that belong to future periods.

“Necessarily” incurred? Another nuance clarified by case law is that “actually incurred” does not mean “necessarily” incurred. The expense need not be absolutely necessary or unavoidable to count as incurred in the production of income. In other words, taxpayers have the commercial freedom to incur costs they deem fit for their business, even if some might argue the expenditure could have been avoided. As long as an expense is incurred with a genuine business purpose, it can qualify – even if it was not strictly indispensable. For instance, spending on employee training or staff welfare might not be necessary in a narrow sense (the business could operate without it), but once the business incurs that expense for the sake of improved operations, it is “actually incurred” and (if it meets the other tests) deductible. The courts have rejected the idea that the tax authority or court should second-guess the business efficacy or strict necessity of an expense when determining deductibility. As long as the expense is bona fide and aimed at producing income (and not lavish or ultra vires), it being “unnecessary” is not a bar to deduction.

Example (Actually Incurred): At year-end 2025, Harare Manufacturing Ltd. has the following situations: (a) an accrued electricity bill for December 2025 due in January – this is an incurred expense in 2025 (the company must pay it, liability arose when power was consumed in 2025); (b) a pending lawsuit by a customer claiming $50,000, not yet resolved – no deduction in 2025, as the liability is uncertain (contingent on court outcome; if they lose in 2026, then that year the damages would be incurred); (c) a management decision to allocate $20,000 for possible machine breakdowns – no deduction just for setting aside funds, since no obligation to any outside party exists yet; (d) prepaid vehicle insurance covering Jan–Jun 2026 – under the law, only the portion covering up to Dec 31, 2025 (if any) is deductible in 2025, and the rest is deferred to 2026.

“In the Production of Income”

Perhaps the most litigated element is whether an expense is incurred “in the production of income.” This is a purpose or causal test: there must be a clear connection between incurring the expense and the income-earning operations of the taxpayer. The expenditure should be aimed at producing the taxpayer’s taxable income (or performed as part of the business operations which generate income). An early Zimbabwean case defined this as expenses incurred “for the purpose of enabling a person to carry on and earn profits in the trade”. In practice, this means the expense must serve a business function – it should be part of the cost of doing business and not serve some other private or ulterior motive.

The classic formulation comes from South African Judge Watermeyer in the Port Elizabeth Electric Tramway Co. case (often cited in Zim tax jurisprudence given the similar law). He stated: “the purpose of the act entailing expenditure must be looked to. If it is performed for the purpose of earning income, then the expenditure attendant upon it is deductible… Here, in my opinion, all expenses attached to the performance of a business operation bona fide performed for the purpose of earning income are deductible, whether such expenses are necessary for its performance or attached to it by chance or are bona fide incurred for the more efficient performance of such operation, provided they are so closely connected with it that they may be regarded as part of the cost of performing it.” (Watermeyer J in PE Tramways).

In simpler terms, if you can show that an expense was a bona fide part of your income-earning process, it will satisfy the “production of income” test, even if it was not strictly inevitable or if it arose accidentally in the course of business. The expense should be closely linked to the business’s operations. Some expenses are clearly in the production of income – e.g. raw materials for a factory, wages for workers, advertising to attract customers – these directly help earn income. Other expenses require judgement: for instance, paying for repairs of business equipment clearly supports producing income (keeping assets running), whereas paying a traffic fine incurred by a delivery driver does not produce income – it arises from a legal offence, not from a need of the business (more on this distinction below).

Incidental business risks: A key insight from case law is that the “production of income” test covers not only expenses that directly generate revenue, but also those incurred as an incidental risk or consequence of carrying on the business. In Port Elizabeth Electric Tramway, the company paid compensation to the widow of an employee who died in a traffic accident while operating a tram. The court allowed the deduction: operating trams was the income-producing activity, and accidents were an inherent risk of that operation – therefore the compensation payout, though not generating income itself, was “attached to the business operation” and regarded as part of the cost of performing it. By contrast, in Joffe & Co. (Pty) Ltd v CIR, a construction company sought to deduct damages paid when a wall collapsed due to their negligence, killing a bystander. The court disallowed it, finding that such damages did not result from a necessary or bona fide business activity but from the taxpayer’s capacity as a wrongdoer, not as a trader. In other words, negligence leading to legal penalties was not considered incidental to carrying on a lawful business – it was outside the proper scope of producing income. These cases illustrate that an expense caused by a normal business risk (even a misfortune) can qualify, whereas an expense caused by wrongdoing or ultra vires acts will not.

Another pivotal case, CIR v Genn & Co., underscored that the taxpayer’s intention and purpose in incurring the expense matters. If the purpose is to earn income (even in the long run), it may satisfy the test, even if no income results immediately or even at all. This was confirmed in Sub-Nigel Ltd v CIR, where a gold mining company paid insurance premiums to cover potential future losses of profits due to fire. The mine had no fire that year (so the insurance produced no payout/income), and the tax authority argued the premiums weren’t “in production of income” since no income was produced by them. The court disagreed, famously holding that “‘incurred in the production of income’ does not mean that income must be produced as a result of the expenditure, or produced immediately… The test is simply whether the expense was incurred for the purpose of producing income.”. In Sub-Nigel, although the insurance premium didn’t lead to any immediate revenue, it was considered a prudent cost to protect the ongoing income-earning operations of the mine (maintaining capacity to produce income if disaster struck). Thus it was deductible. This principle is very important: expenses incurred with a genuine profit-making motive are not disqualified just because they did not successfully generate income in that year. For Zimbabwean taxpayers, this means if you spend money in a failed attempt to earn income (for example, researching a new product that ultimately doesn’t sell), the expense can still be “in production of income” because it was incurred with that aim, not for personal reasons.

Dual-purpose and apportionment: Often an expense might serve both income-producing and non-income purposes. Zimbabwe’s law and practice allow apportionment “to the extent to which” an expense is in production of income. For instance, if a vehicle is used 70% for business deliveries (taxable income) and 30% for the owner’s personal use, only 70% of its running costs are deductible. Similarly, if an expense relates partly to earning exempt income (say, certain interest or dividend income) and partly to taxable income, it must be split and only the portion producing taxable income is allowed. Section 15(2)(a) implicitly permits this by “to the extent” wording, and our courts expect a fair and reasonable basis of apportionment in such cases.

Examples (Production of Income):

• Allowable: A mining company incurs costs pumping water out of mine shafts – this is part of mining operations (even though pumping water itself doesn’t earn income, it’s necessary to enable mineral extraction which does), hence in production of income. If the same company pays for environmental cleanup of pollution it caused, is that in production of income? Arguably yes, if it’s mandated to continue operating (business necessity), though a counter-argument is it’s remedial rather than income-producing. Generally, such compliance costs are seen as part of the cost of doing business (hence deductible as operational costs, unless treated as capital improvement).
• Not allowable: A retail company pays a fine for breaching COVID-19 trading hours regulations. This expense, while arising “in the course” of business, is not for the purpose of earning income – it arises because the company violated the law. Courts would treat it as falling on the taxpayer in its capacity as law-breaker, not trader. Section 16(1)(m) in fact now explicitly prohibits deductions for “expenditure incurred on entertainment… despite the host’s purpose being the furtherance of trade relationships,” highlighting that some expenses with a veneer of business purpose (like lavish client entertainment) are deemed not sufficiently income-producing and are disallowed. (Entertainment usually fails both the production-of-income test and is expressly prohibited.)
• Gray area: A company makes a donation to a local charity. If done out of pure philanthropy, it’s not in production of income (no profit motive). However, if the company can demonstrate a business rationale (e.g. positive publicity, or it’s a sponsorship that promotes the brand), it might argue it was for the purpose of trade. Typically, tax law is strict with donations: only specific charitable donations qualify under special provisions, and general donations are not regarded as producing income unless perhaps they are essentially promotional expenses. The Zimbabwean Act has specific rules for donations (e.g. certain R&D donations, etc.) – absent those, a donation would likely be disallowed as not incurred in earning income.

“For the Purposes of Trade”

The Act uses the phrase “for the purposes of trade” in tandem with “in the production of income.” In fact, Section 15(2)(a) allows deductions of expenditure incurred “for the purposes of trade or in the production of income”. This wording might appear to set two alternative tests, but practically they overlap: a “trade” is any business or income-earning activity, and almost any expense incurred in the production of income will also be for the purposes of that trade. The law’s definition of “trade” is broad – “anything done for the purpose of producing income” – which effectively equates the two phrases. The inclusion of both ensures that even if an expense doesn’t directly generate income (but is for carrying on the trade), it can qualify.

Trade vs. non-trade purposes: This element mainly serves to exclude private or domestic expenses and expenses unrelated to any business venture. An expense may be genuinely incurred (paid) and even beneficial for earning income, but if it’s not incurred in carrying on a trade, Section 15(2)(a) won’t cover it. For example, an individual salaried employee is generally not considered to be carrying on a “trade” in respect of employment income (their employer is the one trading). Thus, ordinary employees cannot deduct most personal expenses against their salary because those expenses, even if helpful in keeping their job, are not incurred in carrying on a trade by the employee. The Act specifically prohibits employees from claiming any expenses against employment income except a few allowable ones (pension contributions, etc.). Similarly, the cost of commuting from home to work is explicitly deemed a private expense, not for trade.

Business vs private boundary: If a taxpayer has both business and personal motives for an expense, only the part for business (trade) is deductible. For instance, if a sole trader uses her home internet 60% for business online sales and 40% for personal use, 60% of the internet bill is “for purposes of trade” and can be deducted; the rest is private consumption. The “purposes of trade” test is why personal living costs are never deductible – feeding yourself, housing your family, personal insurance, etc., are not incurred in any trade (they are to maintain yourself, which the law views as personal responsibilities). Section 16(1)(a) reinforces this by prohibiting deduction of “the cost incurred in the maintenance of the taxpayer, his family or home”. No matter if a well-fed, healthy taxpayer arguably earns more income, those costs are private, not part of a trade’s costs.

Distinct multiple trades: If a taxpayer carries on two or more distinct businesses, an expense for one trade can’t be deducted from the income of another. For example, if you run a restaurant and separately a farming operation, an expense on the farm is not “for purposes of” the restaurant trade. Travel between two separate businesses is specifically listed as non-deductible private expense (to prevent confusion, the law treats it like commuting between home and work). Expenses must be tracked and allocated to the trade they relate to, and only deducted there.

Example (Purposes of Trade): A consultant uses a room in her house exclusively as an office for her business – the rent and utilities attributable to that office space are for purposes of trade and deductible, whereas the rest of her house expenses (bedrooms, kitchen, etc.) are personal and not deductible. If she incurs medical expenses, even though staying healthy helps her continue working, those are not for the purpose of trade (they are for her personal benefit) and thus not deductible (and indeed medical expenses are not in the production of income).

In summary, “for the purposes of trade” ensures the Act only subsidizes business-related outgoings. It often merges conceptually with “production of income,” so courts usually discuss them together. A handy perspective is: Ask whether the expense would still be incurred if the taxpayer ceased the income-earning activities. If yes (e.g. you’d still pay your kid’s school fees or home rent regardless of business), it’s personal. If no (the expense exists solely because of the business), it likely serves the purposes of trade.

Capital vs Revenue: The “Not of a Capital Nature” Limitation

Even if an expense meets all the above criteria, Section 15(2)(a) expressly excludes capital expenditure: only revenue expenses are deductible under the general formula. Capital expenditures typically relate to acquiring or improving fixed assets, or otherwise enduring benefits for the trade, and these are governed by special deduction provisions (like wear-and-tear allowances) rather than the general rule. The rationale aligns with the matching principle and income/capital distinction: income tax is intended to tax revenue profits, so the cost of acquiring or enhancing the income-producing machinery (capital) is usually not immediately deductible against income (though it may be deducted over time through depreciation allowances).

Distinguishing capital vs revenue: Courts have developed tests to tell a capital outgoing from a revenue outgoing. One famous guideline from CIR v George Forest Timber Co. is: “Money spent in creating or acquiring an income-producing concern (i.e. the source of profit) is capital expenditure… money spent in working it (operating the source) is revenue expenditure.”. In other words, if you’re establishing, improving, or adding to the profit-making structure, it’s capital; if you’re running that structure on an ongoing basis, it’s revenue. Another test is the enduring benefit test: if the expenditure results in an asset or advantage of lasting value (e.g. building a factory, acquiring equipment, securing a long-term right), it’s likely capital. If it’s a short-term or once-off operational cost that doesn’t give a long-term asset (e.g. buying inventory, paying salaries, routine repairs), it’s revenue. Yet another lens is fixed vs. floating capital – spending on fixed capital (the apparatus of business) is capital in nature, whereas spending on floating capital (trading stock, day-to-day circulating funds) is revenue.

Several cases illustrate the line: Purchasing a machine is capital (you’ve acquired a new income-producing asset), but repairing that machine is usually revenue (maintenance to keep it running). Building new premises or making structural improvements to your building is capital, whereas painting or routine maintenance of the building is revenue. Legal fees can be either – legal costs to defend or establish ownership of a capital asset (say, defending your land title) are capital; legal fees to collect trade debts or settle disputes arising from trading operations are revenue. In New State Areas Ltd, the court noted that even if an expense occurs before income flows, it can still be revenue if it’s part of the income-earning operations (e.g. interest on a loan used as working capital might be revenue), but interest on a loan used to acquire a capital asset could be capital (unless legislation says otherwise). Zimbabwe’s law now has specific rules (Section 15(2)(f) etc.) for certain pre-productive expenditure and interest, often allowing some deductions to encourage investment, but under the general formula, capital remains disallowed.

Why capital matters: If an expense is disqualified as capital under Section 15(2)(a), it might still be deductible under a special provision. For example, depreciation of plant and machinery is not deductible as a normal expense, but Section 15(2)(c) (with the Fourth Schedule) grants capital allowances (wear-and-tear) on such assets. Similarly, mining development or exploration expenditure, which is capital by nature, is specifically deductible under Section 15(2)(f) and the Fifth Schedule, often at accelerated rates to encourage mining. The general rule’s exclusion of capital thus pushes those items into their own regimes. If no special provision exists, capital costs simply aren’t tax-deductible (though they may reduce capital gains if the asset is later sold, etc.).

Examples (Capital vs Revenue):

• A trucking business buys a new delivery truck for ZWL 10 million – this is a capital acquisition (adding to the fleet). It cannot deduct ZWL 10m under Section 15(2)(a). Instead, it will claim a Special Initial Allowance (SIA) or wear-and-tear over several years as per the Act (currently, for manufacturing, etc., Zimbabwe has SIA e.g. 50% in first year, 25% in next two years on certain assets). The fuel, oil, and driver’s wages for operating the truck, however, are revenue expenses deductible under Section 15(2)(a) (fuel and wages are consumed in earning transport income).
• A company spends ZWL 500k on advertising and marketing for a new product. Although this may create enduring goodwill or brand awareness (which is an intangible asset of sorts), courts generally treat marketing costs as revenue – part of operating expenses – not as creation of a separate asset. Thus, advertising is deductible (provided it’s not for an illegal product, etc.).
• A retailer does a major renovation of its storefront, including building an extension and installing new elevators. This is capital in nature (improvement of premises). The cost of extension likely qualifies for a commercial building allowance (another special deduction outside Section 15(2)(a)), but not an immediate deduction. However, if in the same year the retailer also pays for repainting the shop and fixing broken windows (maintenance to keep it in existing condition), those costs are revenue and deductible under Section 15(2)(a). The challenge is when a “repair” crosses into an “improvement.” Zimbabwean and common law tests say if you substantially improve the asset (beyond restoring it to original state), it’s capital. Routine repairs = revenue; big upgrades = capital.

In summary, to apply Section 15(2)(a), one must classify the expense correctly. Revenue (operational) expenses proceed with the other tests discussed, while capital expenses must be diverted to the appropriate capital allowance section or disallowed if no provision applies. As Judge Innes succinctly put it, “there is a great difference between money spent in creating or acquiring a source of profit, and money spent in working it. The one is capital, the other is not.”

Throughout the above explanations, we’ve referenced key cases. Let’s briefly summarize a few landmark cases and their significance in interpreting Section 15(2)(a):

Port Elizabeth Electric Tramway Co Ltd v CIR (1936) – A tramway company’s employee caused an accident resulting in death and the company had to pay compensation to the victim’s dependents. The court allowed the deduction, laying down that all expenses attendant upon the conduct of a business operation, if performed in bona fide pursuit of profit, are deductible, whether necessary or incidental, as long as they are closely enough connected to the business. This case established that inherent business risks and their costs (like accidents) are part of the cost of earning income. It contrasted expenses stemming from normal risks with those stemming from illegal acts (suggesting the latter are not deductible). This case is often cited for the broad, purposive approach to “in the production of income.”

Joffe & Co (Pty) Ltd v CIR (1946) – A construction company sought to deduct damages paid after a negligently built wall collapsed. The court disallowed it, essentially finding the expense was incurred because the taxpayer broke the law (was negligent), not as a necessary incident of trade. This shows the limit to Port Elizabeth Tramway: an expense arising from an act outside the proper conduct of the business (e.g. negligence or crime) is not for the purpose of producing income. In Zimbabwe, by statute, fines and penalties are now clearly non-deductible (Section 16(1)(m) for entertainment, and generally public policy would disallow fines). Joffe reinforces that point – the deduction is denied because paying for one’s wrongdoing is not part of profit-making but personal to the wrongdoer.

New State Areas Ltd v CIR (1946) – A mining company made certain provisions and incurred expenses related to starting a new mining area. Key contributions of this case: it clarified “actually incurred” means the taxpayer has a definite obligation – if an expense is conditional on something in future, it’s not incurred. It also emphasized that “incurred” doesn’t mean “inevitably incurred” – the company’s decision to incur an expense is enough, necessity is not judged by the tax collector. New State Areas also dealt with capital vs revenue for mining: it distinguished development expenses (capital) from working expenses (revenue) with the fixed vs floating capital concept. This case is often cited to show that a liability must be unconditional by year-end to be deductible, and that one cannot deduct expenses for which there is merely an expectation or plan.

Sub-Nigel Ltd v CIR (1948) – A gold mining company paid insurance premiums against future loss of profits (a precautionary measure). The mine had no loss in that year, and the tax authority argued the premiums weren’t incurred in producing income since they produced none. The court famously held that it’s not necessary for the expenditure to produce income at all, as long as it was incurred for the purpose of earning income. This case stands for the principle that failed or protective expenses are still deductible if their purpose was to earn income. In practice, it means you don’t have to show a direct incremental income resulting from each expense. Many Zimbabwean businesses rely on this reasoning when deducting things like feasibility study costs, preventive maintenance, or insurance – these don’t produce income per se, but they protect or facilitate the trade.

COT v Rendle (Zimbabwe 1966) – Although not mentioned in the prompt, one notable local case involved a farmer who incurred expenses clearing invasive bushes to increase grazing (hence future income). The court had to decide if that was capital or revenue. It concluded it was capital (improvement of land). The case underscored how Zimbabwean courts lean on the same principles as above when classifying expenses. The Rendle case reinforced the enduring benefit test in our jurisdiction.

BP Southern Africa (Pty) Ltd v COT (1995) – A Zimbabwean case where the taxpayer incurred heavy expenditure in a restructuring (cancelling agency agreements to streamline operations). The question was whether those payments (to cancel contracts) were deductible. The court held they were capital – because they were one-time costs to reshape the profit-making structure (getting rid of enduring obligations), not regular operating costs. This case is often cited locally on capital vs revenue classification.

(The above is not an exhaustive list, but highlights how courts analyze different limbs of the test. Zimbabwe often looks to older English and South African case law where local precedents are lacking, due to the common heritage of our tax legislation.)

It is crucial to distinguish general deductions under Section 15(2)(a) from special deductions and prohibited deductions elsewhere in the Act:

General Deductions (Section 15(2)(a)): This is the default catch-all provision (the focus of this lecture) that covers ordinary trading expenses. If an expense meets the Section 15(2)(a) test (as we’ve broken down above) and is not capital or specifically disallowed, it’s deductible in computing taxable income. Examples: rent of business premises, utility bills for the factory, office supplies, employee salaries, routine maintenance, raw material costs, etc. These are not individually listed in the Act but fall under the broad language of Section 15(2)(a). Tax planning often involves ensuring an expense qualifies here if no more specific rule applies.

Special Deductions (Section 15(2) paragraphs (b)–(r) and Schedules): The Income Tax Act provides specific deduction allowances for certain types of expenditure, often overriding the capital prohibition or providing conditions. These include:

Capital Allowances: Section 15(2)(c) and the Fourth Schedule allow depreciation (wear and tear) on fixed assets like plant, machinery, industrial buildings, etc., and Special Initial Allowances for certain assets (e.g. 25% or 50% upfront). Without these, buying equipment would be non-deductible capital outlay, but the Act permits it over time.

Mining & Agricultural Development: Section 15(2)(f) with the Fifth Schedule provides for deduction of exploration, development, and certain capital expenditure in mining or farming. This encourages investment by allowing miners to write off shaft sinking, etc., which are capital but necessary to start production.

Bad and Doubtful Debts: Section 15(2)(g)(i) allows bad debts (trade debts that became irrecoverable and were previously included in income) to be deducted. Notably, a historical special deduction for “doubtful debts” (provisions) in Section 15(2)(g)(ii) was repealed in 2010, meaning now only actual bad debts written off are allowed, not general provisions. This was a legislative change aligning with IFRS 9; banks can only deduct losses actually incurred, not expected losses.

Retirement and Benefit Contributions: Section 15(2)(h) and the Sixth Schedule allow deductions for contributions to approved pension or benefit funds for employees. Without this, such payments might be seen as not strictly producing income, but the Act specifically permits them (with limits) to encourage social security.

Donations and CSR: Certain donations are allowed if made to approved institutions (like research institutions or charitable trusts) as per other sections – often capped at a % of income. For instance, donations to the Research and Development Fund, or to charities approved by the Minister, can be deductible under specific provisions, whereas unapproved donations are not.

Others: There are special deductions for things like scientific research expenditure, training costs (e.g. a training allowance or investment allowance in training), and losses on disposal of certain assets. For example, an investment allowance (often in farming or tourism) might allow part of capital spend as immediate deduction. Also, assessed losses brought forward from prior years are, in effect, deductions allowed (they are past revenue losses applied to the current year).

In short, special deductions are targeted incentives or necessary accommodations written into law. They ensure fairness (e.g. bad debt deduction to match previously taxed income) or promote economic policy (e.g. capital allowances, export incentives). When analyzing a deduction, always check if a special provision applies, as it may override the general test or provide a deduction even if Section 15(2)(a) would fail (especially for capital items). For instance, wear-and-tear on a delivery van: Section 15(2)(a) disallows it as capital, but Fourth Schedule allows, say, 20% depreciation per year. Another example: mineral royalties paid by a mining company – these are a cost of business but are often considered a form of tax. Historically they were deductible as a trade expense. If reclassified as a tax, they might become non-deductible under Section 16(1)(d) (unless the law is adjusted – see 2025 changes below).

Prohibited Deductions (Section 16): Section 16 of the Act lists specific items that are not allowed as deductions, even if they might seem to meet Section 15(2)(a). This section acts as a “negative test” or override, ensuring certain expenses cannot reduce taxable income for policy reasons. Some key prohibited deductions under Section 16(1) include:

Private or domestic expenses – as mentioned, any cost of personal or household nature (food, clothing, personal travel, school fees, home rent, etc.) is barred. Also, commuting from home to workplace is specifically private.

Expenses recoverable under insurance or indemnity – you can’t deduct a loss if you have insurance covering it or someone indemnifying you. For example, if your stock is stolen but insurance pays out, you can’t claim a tax deduction for the loss (since you didn’t economically suffer it in the end).

Taxes on income – any taxes paid on income itself (income tax, CGT, etc.) are not deductible. It would be circular to deduct income tax from income. This also includes foreign taxes on income. Relatedly, withholding taxes that are final taxes (like non-resident taxes) can’t be deducted by the payer either. Notably, this clause was expanded in 2019 to include the Intermediated Money Transfer Tax (IMTT) – the 2% tax on electronic transactions. The Finance Act 2019 inserted Section 16(1)(d1) prohibiting any deduction of IMTT paid. So although IMTT is a cost to businesses, it’s deliberately made non-deductible (the government wants the full 2% as a minimum tax on those transactions).

Hypothetical interest on owner’s capital – Section 16(1)(h) disallows any notional interest that could have been earned on capital employed in the business. This means you cannot, for example, claim that your own money tied in the business has an opportunity cost and deduct some notional interest on it – only actual interest incurred on debts is deductible (and subject to other limits).

Rent or expenses of premises not used for trade – e.g. your personal residence or a holiday home is not deductible (even if owned by the company) unless part is used for business, in which case apportion.

Cost of securing exclusive rights – e.g. paying for a monopoly concession or sole distribution rights is considered capital (and explicitly disallowed by (j)).

Excessive leasing costs for passenger vehicles – (k) disallows leasing payments beyond a certain ceiling for passenger cars. This prevents disguised purchases via inflated lease rentals to get full deduction. The law caps the deductible lease cost to what it would cost to finance a car worth $100,000 (a figure likely adjusted in local currency over time).

Cost of company shares awarded to employees – (l) prohibits a company from deducting the value of its own shares given out as employee incentives. This addresses schemes where companies would claim a “cost” for giving shares (which is not an outflow of assets from the company in the traditional sense).

Entertainment expenses – (m) is very important: it disallows expenses on entertainment or hospitality (like client meals, gifts, staff parties), except to the extent they are for employees’ taxed benefits or specifically allowed. Even if you think taking a client to dinner helps get business (hence in production of income), the law forbids the deduction. The term “entertainment” is defined broadly (including hospitality of any kind), so this closes a common loophole where lavish personal consumption could be passed off as business promotion. Only certain promotional costs (like advertising) are allowed; entertainment crosses the line to non-deductible.

Expenditure to earn certain exempt income: For instance, (n) prohibits expenses incurred to earn income from stocks and shares. In Zimbabwe, local dividends are generally subject to a final withholding tax and not included in gross income, so any expense to produce that dividend (like interest on a loan to buy shares) is not deductible. Similarly, (o) prohibits expenses to earn interest on deposits with local financial institutions (since such interest is often subject to withholding tax and may be final-taxed). The logic is: you can’t deduct costs of producing income that isn’t itself taxed (no deduction against other income for generating exempt income).

Certain related-party or avoidance-related payments: For example, (r) disallows general administration and management fees paid by a local branch or subsidiary to its foreign parent engaged in local mining. This is an anti-avoidance measure to stop mining companies from eroding profits by hefty head-office charges. Another is (s) which limits interest on foreign loans by reference to exchange rates to prevent excessive interest via manipulated forex rates. These are targeted prohibitions ensuring fair taxation and curbing profit shifting.

The above list (from (a) to (s)) is not exhaustive here, but we have covered the most common prohibitions. The presence of Section 16 means even if an expense passes the Section 15(2)(a) general test, one must check Section 16 to ensure it isn’t on the blacklist. A practical approach is: first ask “is it incurred in production of income for trade and not capital?” – if yes, then ask “is there any clause in Section 16 that forbids this kind of expense?” If there is, the expense is not deductible despite meeting the general criteria. For example, entertainment: it might arguably be for business (client relations) and not capital, but Section 16(1)(m) flatly disallows it, so that’s the end of the matter. Similarly, IMTT tax: a company pays thousands in 2% money transfer tax on its transactions (clearly a business cost, revenue in nature). But since 2019, Section 16(1)(d1) explicitly forbids deducting IMTT, so the company cannot deduct those taxes – effectively they tax your tax. This was confirmed by the Minister and is a point of complaint by businesses.

To recap, Zimbabwe’s deduction regime is a two-step filter: (1) Does it qualify under Section 15(2)? (general and specific allowances) and (2) Is it not disallowed under Section 16? One author aptly noted: “An item of expense may have passed the general deduction formula but is prohibited in terms of Section 16 of the Act.” Taxpayers must satisfy both stages.

Tax laws evolve, and it’s important to reflect changes up to 2025 and consider proposed 2026 changes affecting deductions:

2018 – Restriction on Prepaid Expenses: As discussed, Finance Act No.1 of 2018 amended Section 15(2)(a) to add paragraph (ii) excluding prepayments beyond the current year. Before this, there was case law (like ITC 1503) that disallowed prepaid expenses on an accrual basis, but now it’s codified. This ensures taxpayers can’t claim full deductions for multi-year benefits in one year. Businesses had to adjust by deferring such expenses in their tax computations from 2018 onward.

2019 – IMTT made non-deductible: The Intermediated Money Transfer Tax (the 2% tax on electronic transactions) introduced in late 2018 was contentious. Initially, taxpayers hoped it would be deductible as a normal business expense (like other transaction fees). However, the Finance (No.3) Act 2019 explicitly inserted Section 16(1)(d1) to prohibit deduction of any IMTT paid. This took effect Feb 20, 2019. The Zimbabwe National Chamber of Commerce and others pointed out this effectively increases business costs (since IMTT is taken off gross and then you pay income tax on the gross as well). Despite lobbying to make IMTT an allowable deduction, the Government has maintained it as non-deductible to preserve revenue. Businesses must treat IMTT as a final tax hit, not reducing their profit for income tax purposes.

2020-2021 – Adjustment of Allowances and Limits: Over these years, there were various changes (usually in annual Finance Acts) such as: removal of the doubtful debt provision deduction (noted above, actually in 2010 but effects felt later with IFRS 9), changes to capital allowances rates or qualifying assets, and specific incentives. For instance, one budget introduced a training allowance (additional deduction) for approved training costs of employees (to encourage human capital development). Such specific incentives come and go – students should always check the latest Finance Act for any additional deductible allowances (e.g. a Youth Employment credit or allowance was introduced to give extra deductions per young employee hired, effectively a deduction incentive). These are beyond Section 15(2)(a) but affect the overall deduction landscape.

2025 – Removal of SEZ Tax Holiday & Other Incentives: The 2025 Budget (effective Jan 1, 2025) eliminated the tax holiday for Special Economic Zones investors, replacing it with a flat 15% corporate rate. While this doesn’t directly change deduction rules, it signals a policy shift. It also mentioned consultations for film industry incentives (likely future special deductions for film production). Additionally, from 2025, mineral royalties were reclassified as a “tax” under the Act. This means royalties (which mining companies pay on output) now fall under the Commissioner’s administration of taxes, including penalty waiver provisions. There was concern this could imply royalties become non-deductible (as a tax on income) under Section 16(1)(d). However, royalties are typically based on production, not profit, and historically were deductible. The reclassification was mainly to allow penalty waiver on late royalty payments. The 2025 change likely didn’t intend to disallow royalty deductions – and mining operators would certainly clarify that, otherwise their taxable incomes would spike. So far, no explicit prohibition was added in Section 16 for royalties, so they should remain deductible as before (monitor Finance Bill notes for confirmation).

2026 Budget Proposals: Announced on Nov 27, 2025, these proposals (some to be effective in 2025, others in 2026) include significant changes:

Limiting Assessed Loss Deductions: Carried-forward business losses have traditionally been allowed to offset future profits (in Zimbabwe, up to 6 years carryforward for ordinary companies). The 2026 Budget proposes that for mining companies (both those under general mining and special mining leases), the deduction of carried-forward losses in any year will be capped at 30% of the assessed loss. This is somewhat oddly phrased, but likely means a miner can utilize only 30% of its brought-forward loss in a given year’s taxable income calculation (perhaps ensuring at least 70% of its profit is taxable) – a measure to prevent perpetual tax-free status from huge past losses. This mirrors global trends (South Africa recently implemented an 80% limitation for all companies’ loss offsets). If enacted, mining firms that have large accumulated losses will now pay tax sooner, as they can’t wipe out all profit with losses. This doesn’t change Section 15(2)(a) directly, but it’s a limitation on how much loss (a negative deduction) can be claimed. Other industries are not mentioned, so for now it targets mining, a sector where long loss periods are common due to heavy upfront capital allowances.

Mining Capital Allowance Changes: The budget also ends the “new mine” method for capital write-off (which allowed miners to write off capital expenditure against income from that mine as they chose). Going forward, unredeemed mining capital expenditure must be spread over the estimated life of the mine. This is a technical change to mining capital deductions – essentially slowing deductions and preventing aggressive upfront write-offs beyond what SIA already gives. This again is sector-specific and doesn’t alter the general formula but is part of special provisions.

Reintroduction of Withholding Tax on Interest: A 15% WHT on interest paid to non-residents is being reintroduced from 2026. For deductions, this means Zimbabwean companies paying interest abroad must still satisfy that the interest is at arm’s length and in production of income (to deduct it), but now they also have to withhold 15%. The interest expense remains deductible to the payer (assuming it’s not caught by thin-capitalization or the new Section 16(1)(s) foreign exchange limitation). The reintroduced WHT doesn’t directly change deductibility, but it affects net cost. Similarly, dividends paid by building societies will be treated as dividends (no longer interest) – a classification change that might affect whether those payments are deductible (dividends are not deductible; interest was, but building societies paying “interest” on certain shares can’t deduct it now if it’s a dividend). Corporates should note this when structuring capital: payments labeled as dividends are non-deductible distributions, whereas interest is deductible (subject to limits). So this change could remove a deduction that building societies used to take (interest to depositors now reclassified).

Miscellaneous: Other proposals like a Domestic Minimum Top-up Tax (for global tax rules), changes in VAT, and a new 2% corporate social responsibility levy on coal are more about tax computations and new taxes than about deductions. The CSR levy on coal (2% of gross) will be a tax, not a deductible expense (likely it will fall under non-deductible taxes on income in Section 16). The removal of SEZ holiday (as noted) means some businesses lose a special exemption, but they still deduct expenses normally at the 15% rate now. The broadening of transfer pricing methods doesn’t change deductions, just how prices are evaluated. Lastly, Mutapa Investment Fund (sovereign wealth fund) income became tax exempt from 2025, which means any expenses to produce that exempt income wouldn’t be deductible (by general principle or specific rule) – though the Fund itself is exempt so it’s a unique situation.

In summary, up to 2025 the main legislative impacts on Section 15(2)(a) have been targeted refinements: disallowing certain deductions (IMTT, entertainment, etc.), clarifying timing (prepayments), and providing incentives in specific areas. The 2026 proposals continue this trend: limiting loss utilization and tightening capital write-offs in mining are noteworthy for that sector; they don’t rewrite the general formula but place ceilings around it. Students should keep an eye on annual Finance Acts for changes in deduction rules – for example, government may in future cap interest deductibility (thin capitalization rules) or introduce new allowable deductions (like if they want to encourage renewable energy, they might allow 50% of solar equipment cost as deductible). Tax is dynamic, but the core concepts of the general deduction formula have remained consistent from the early cases to the present.

The General Deduction Formula in Section 15(2)(a) is a cornerstone of Zimbabwean tax law, and understanding it is essential for anyone involved in tax computation or planning. In essence, to be deductible, an expense must be a revenue expense incurred in good faith for the purposes of carrying on a trade and earning income, in the year in question, and it must not be caught by any specific prohibition or capital limitation. We examined how each part of that test works:

“Expenditure and losses” covers a wide range of business outgoings, including unintended losses, as long as they stem from the business.

“Actually incurred” emphasizes legal obligation and timing – only deduct when the liability is real and present, not merely anticipated – and introduced us to accrual concepts and the treatment of prepayments and provisions.

“In the production of income” focuses on the purpose and business connection of the expense – requiring a close link to income-earning activities and excluding costs that serve other aims (personal, punitive, etc.). We saw through case law the breadth of this concept, accommodating even preventative and incidental costs of business, while carving out egregious cases like fines.

“For the purposes of trade” reinforces that only business-related expenses get in – it filters out private expenditures and ensures an expense relates to a trade being carried on (no trade, no deduction).

Capital nature is excluded from the general formula, steering such costs to special regimes or denying them, thus upholding the capital/revenue divide in taxation.

We also highlighted the interplay with Section 16’s prohibited deductions, which is critical – many an accounting expense that seems business-related (fines, certain taxes, extravagances) might be nondeductible by statute. Always cross-check the prohibitions list. The tax law, through cases like Port Elizabeth Tramways, Sub-Nigel, etc., has evolved principles that Zimbabwe applies to interpret these provisions. These cases remain illustrative: they show the allowance of genuine business costs even if indirectly related to income, and the disallowance of costs arising from personal capacity or capital restructuring.

From a practical standpoint, when analyzing any expense for deductibility: ask the key questions in order (maybe even refer to the flowchart above): Why was this expense incurred? Was it solely because of the trade and with the aim of earning income? Did the taxpayer have to incur it (and did so in the year)? Is it an ordinary operational cost (as opposed to creating an asset)? And finally, does any specific law forbid it? If the answers line up favorably, Section 15(2)(a) likely allows it. If not, the expense might be limited or disallowed – but sometimes a special provision might rescue it (or defer it, as with capital allowances).

Legislative updates up to 2025 have refined the application but largely reinforced these principles – disallowing abusive or non-economic deductions (like IMTT, excessive provisions) and encouraging genuine investments (through targeted allowances). The 2026 proposals signal a tightening in certain areas (mining losses, etc.), reflecting a balancing act between promoting investment and safeguarding the tax base.

For learners and practitioners, mastering the general deduction formula is foundational. It requires not just reading the statute, but understanding its context and the case law doctrines behind terms like “incurred” and “production of income.” With that understanding, one can approach any expense in a tax computation and systematically evaluate its deductibility. The formula might be “general,” but as we’ve seen, its proper application is nuanced – combining statutory rules, accounting concepts, and judicial interpretation. Armed with this knowledge, you can confidently navigate Zimbabwean tax deductions, ensuring compliance and optimal tax outcomes.

S 11(a), income tax act, bursaries, NQF, trade, expenditure and losses, actually incurred, in the production of income, not of a capital nature

The deductibility of bad debts and provision for bad debts arising from trading

Taking a quick dive into Key Proposed Changes in 2025 Finance Bill

[PDF] Zimbabwe: 2026 National Budget Highlights - KPMG International

Zimbabwe’s Income Tax Act (Chapter 23:06) establishes a General Deduction Formula in Section 15(2)(a). In simple terms, any expenditure or loss is deductible for tax purposes if it is: (1) actually incurred by the taxpayer during the year of assessment, and (2) incurred for the purposes of trade or in the production of income, provided it is not of a capital nature. This rule is the starting point for calculating taxable income – it allows normal business operating expenses against revenue. For example, rent, salaries, utility bills, raw material costs, etc., incurred in the course of producing taxable income, are generally deductible under this provision.

Conditions and limits: The allowance under Section 15(2)(a) comes with important limitations and provisos. Notably, if an expense is prepaid for goods or services that will only be used or received in future tax years, the law does not allow an immediate full deduction. Instead, the deduction must be apportioned over the years in which the goods or services are consumed. This prevents a taxpayer from claiming a large upfront deduction for a multi-year expense. Another key limit is that capital expenditures – generally costs of acquiring or improving fixed assets or other enduring benefits – are excluded from the general deduction formula. Such capital costs are dealt with under separate capital allowance provisions (for example, wear-and-tear or special initial allowances) rather than as day-to-day deductions. In addition, any expenditure expressly prohibited by Section 16 (discussed later) cannot be deducted even if it meets the general tests of Section 15(2)(a).

In summary, Section 15(2)(a) permits a broad range of revenue expenses that are incurred in the normal course of earning taxable income, while carving out non-trade costs, capital outlays, and prepaid amounts beyond the current year. Tax practitioners often refer to this as the “general deduction formula,” and it is a fundamental principle of Zimbabwean income tax law.

The phrase “expenditure actually incurred” in Section 15(2)(a) has been interpreted by the courts to mean that a taxpayer can only deduct expenses for which they have a definite and unconditional legal obligation in that year of assessment. It is not necessary that the amount be paid in cash during the year, but the taxpayer must have become liable to pay it (i.e. the expense has been accrued and is due). The liability must be absolute, not contingent on a future event. In the Zimbabwean case Provident Buildings (Pvt) Ltd v COT, the judge emphasized that the existence of an absolute legal liability is an “essential prerequisite” for an expenditure to qualify as “incurred”. In other words, an expense that may arise in the future (for example, a mere estimate or a provision for a possible cost) is not “actually incurred” and thus not deductible until it materializes into an actual obligation.

Practical application: This principle means taxpayers cannot deduct mere reserves or expected future costs – the expense must have crystallized. For example, if a company makes a provision in its accounts for an upcoming repair or a potential lawsuit payout, that provision is not tax-deductible because no actual liability was incurred yet. Conversely, if by year-end the company has received an invoice or otherwise firmly committed to an expense (even if payment will be made the next year), that amount is “incurred” and can be deducted in the current year. The timing of deductions therefore follows the accrual of legal obligations.

It’s worth noting that once an expense meets the “actually incurred” test, it must still meet the other tests (such as being in the production of income and not capital). Also, any portion of an expense that is contingent or uncertain should be deferred until it becomes definite. Zimbabwean tax authorities often scrutinize large accrued expenses or provisions to ensure they represent real incurred obligations and not just anticipated costs.

Section 15(2)(a) further requires that deductible expenditure be incurred “for the purposes of trade or in the production of income.” This means there must be a close connection or nexus between the expenditure and the income-earning operations of the taxpayer. In practical terms, the expense should be incurred with the objective of producing taxable income (or in the course of carrying on the trade). Expenditure that is not sufficiently related to producing income (or to the taxpayer’s trade) will fail this test even if it was “actually incurred.”

Zimbabwean case law and practice have applied this test strictly. The expenditure should be necessary or bona fide for the business’s operations that generate income. For example, purchasing stock for resale, paying employee wages, or advertising products are all in the production of income because they are part of profit-making activities. On the other hand, expenses that are personal, sentimental, or purely for the benefit of a separate business purpose would not qualify. Additionally, if an expense is incurred to produce exempt income (or income not subject to tax), it will be disallowed (this principle is codified in Section 16(1)(f), discussed later).

A useful illustration comes from a dispute involving brand royalties. In the Delta Beverages case, the taxpayer had paid fees for the use of brands and trademarks and sought to deduct them. The tax authorities argued those payments were not truly “in the production of income,” contending that the mere ownership or use of a brand does not itself generate income unless complemented by income-producing activities like advertising and sales. ZIMRA’s position was that the advertising expenditure (which was deductible) contributed to sales, whereas the royalty paid for the brand name had no direct nexus to any increase in income if the products were not marketed. They pointed out that without advertising and active selling, branded products would “remain as stock” and not yield income, implying the royalty lacked a sufficient income-producing purpose. While the facts of each case differ, this underscores the principle: a taxpayer must demonstrate that an expense was incurred with the intent to earn income or as part of the income-generating process.

In practice, the “production of income” test often merges with the trade purpose test. Courts have developed guidance (often drawing from older cases in comparable jurisdictions like South Africa) to determine if an expense is closely related to business operations. An expense may still be deductible even if it does not directly produce revenue in isolation (for instance, safety or compliance costs may not generate income but are incurred as necessary incidents of the trading operations). However, if an expense is too remote, purely altruistic, or serves solely to protect or enhance a capital asset, it likely fails this test. Tax students should remember that the burden is on the taxpayer to show the link between the expense and income production. If ZIMRA believes an expense was not incurred in earning income – for example, lavish payments that do not fit the business’s profit motive – it will disallow the deduction as outside the permissible scope.

A cornerstone of the general deduction formula is that capital expenditures are not deductible under Section 15(2)(a). The Act does not explicitly define “capital nature,” so the distinction has been developed through case law and practical interpretation. In essence, capital expenditures are those that result in the acquisition or improvement of a capital asset or advantage of an enduring benefit to the trade. They are usually one-time or infrequent outlays that form part of the profit-earning structure (fixed assets, intellectual property, goodwill, etc.), not the regular costs of operating. Revenue expenditures, by contrast, are the routine, recurring costs of running the business – the costs of earning income as opposed to establishing or improving the income-earning capacity.

Why the distinction matters: Revenue expenses are deductible in full when incurred, whereas capital costs are generally not deductible but may qualify for capital allowances (depreciation, special initial allowance, etc.) spread over time. For example, the cost of buying a delivery van is capital (an asset with a useful life beyond the tax year) and cannot be deducted as an expense; instead, the company claims wear-and-tear allowances on the van. But the fuel, repairs, and driver’s salary for that van are revenue expenses deductible under Section 15(2)(a).

Case law support (Zimbabwean context): The courts in Zimbabwe have echoed the common law tests for capital vs revenue. A recent illustration is the case of Stanbic Bank Zimbabwe Ltd v ZIMRA, which dealt with the tax treatment of banking software. Stanbic Bank had acquired new core banking software and treated the cost as a deductible expense. ZIMRA disallowed it on the basis that this expenditure was capital in nature – it was an investment in an intangible asset that would serve the business for several years, rather than a day-to-day operating cost. The High Court and Supreme Court agreed that the software acquisition was a capital expenditure, not falling under Section 15(2)(a). (Because it was capital, the court noted the taxpayer could instead claim a Special Initial Allowance under the capital allowance provisions, but not a normal deduction in full in the year of purchase.) This case reinforces the principle that expenditures which create a lasting asset or advantage – even an intangible like software – are treated as capital. The test often cited is whether the expenditure results in an “enduring benefit” to the business (a hallmark of capital outlays established in classic tax cases).

Another way to distinguish capital vs revenue is to ask: Is this cost part of the cost of performing the income-earning operations (revenue), or is it part of the cost of establishing, improving, or expanding the business’s income-earning apparatus (capital)? Routine repair of a machine is a cost of carrying on operations (revenue), whereas the purchase of the machine or an upgrade that extends its life is capital. Likewise, paying monthly rent for business premises is revenue, but paying a lump sum to acquire the premises (or to buy a franchise/license) would be capital. Where borderline cases arise, courts look at factors like the purpose of the expenditure, its frequency, and its relation to the business’s income stream. Generally, one-time payments for enduring assets, rights, or advantages are capital, and repetitive or consumable costs are revenue.

In summary, capital vs revenue classification is crucial: Capital costs are not deductible under Section 15(2)(a), while revenue costs are – and the difference often hinges on the role of the expenditure in the business. Zimbabwean tax practitioners must analyze significant expenditures in light of this distinction and refer to case law (both local and persuasive foreign cases) for guidance in ambiguous situations. Supporting case law (like Stanbic Bank above) provides local precedent for treating costs of an enduring character as capital for tax purposes.

Even if an expense passes the general tests of Section 15(2)(a), it may still be prohibited from deduction by Section 16 of the Income Tax Act. Section 16(1) lists specific categories of outgoings that cannot be deducted in computing taxable income. These rules are essentially anti-avoidance and fairness provisions to ensure that certain expenditures (usually personal, capital, or relating to non-taxable income) do not reduce taxable profits. ZIMRA has issued public notices and guidance to highlight these prohibited deductions and explain their scope in practical terms. Below is a structured summary of the key prohibited deductions (Section 16(1)(a) through (s)), along with notes from ZIMRA’s published guidance:

Personal or domestic expenses: No deduction for the cost of maintaining the taxpayer or the taxpayer’s family or home. This covers private living expenses – for example, groceries, clothing, or household utility bills are not business deductions. Likewise, commuting costs for travel between one’s home and workplace are expressly non-deductible as private in nature. (If a taxpayer has multiple distinct trades, travel between the locations of those trades is also regarded as private under this rule.) In short, anything that is personal consumption or family upkeep is outside the realm of allowable business expenses.

Insurance or indemnity recoveries: No deduction for any loss or expense that is recoverable under an insurance policy or contract of indemnity. For example, if a factory was damaged and the owner spends money on repairs but those costs will be reimbursed by insurance, the amount cannot be claimed as a tax deduction. The rationale is that the taxpayer is not out-of-pocket for such expenses (the insurer covers it), so allowing a deduction would result in a double benefit.

Taxes on income and related interest: Taxes paid on the taxpayer’s income are not deductible, nor is any interest charged on such taxes. This prohibition includes income tax itself and a host of Zimbabwean taxes such as PAYE, VAT, Capital Gains Tax, withholding taxes on dividends, fees, royalties, etc.. For instance, a company cannot deduct its corporate income tax or a 10% withholding tax it paid – those are obligations to the fiscus, not expenses “in production of income.” (The Act even specifically disallows the Intermediated Money Transfer Tax (IMTT) – the tax on electronic money transfers – under Section 16(1)(d1).) ZIMRA’s public guidance lists examples of all such taxes to remind taxpayers that paying your taxes is not a business expense.

Appropriations of profits to reserves or capital: No deduction for any income carried to a reserve fund or capitalized in any way. This means you cannot deduct transfers of profits to reserves, retained earnings, or similar equity accounts. Such transfers are allocations of profit after it’s earned, not expenses of earning it. For example, simply moving an amount into a “replacement reserve” in the accounts is not an expense and is non-deductible.

Expenditure to earn exempt or non-Zimbabwean income: If an expense or loss is incurred in the production of income that is exempt from tax, or income not from a Zimbabwean source, it is not deductible. The law prevents a mismatch where a taxpayer might try to deduct costs of earning income that isn’t going to be taxed. For instance, if a certain type of income is tax-exempt by law and a taxpayer spends money to generate that income, the related expense cannot reduce other taxable income. Similarly, if a Zimbabwean business incurs expenses for a foreign operation whose income is not taxable in Zimbabwe, those expenses are disallowed (unless a specific provision allows them).

Contributions to pension, provident, or benefit funds for employees: Generally, contributions by an employer to any fund set up to provide pensions, annuities, sickness, accident, or unemployment benefits to employees (or their dependants) are not deductible. This rule is somewhat counter-intuitive, since one might expect such staff costs to be allowed. In practice, however, Zimbabwe’s law disallows them unless they fall under other specific provisions or approved fund rules. (Often, there are separate regimes for approved pension fund contributions, where deductions or tax credits might be available under certain conditions; but if not approved or covered elsewhere, the default is no deduction under Section 16(1)(g).) Employers should seek specific guidance on pension contributions, as the Finance Act or Regulations may provide for limited deductibility via credits or schedules outside Section 15.

Imputed interest on owner’s capital: Section 16(1)(h) prohibits deducting “interest which might have been earned on any capital employed in trade.” This means a taxpayer cannot claim a notional interest cost on their own invested capital. For example, if you invest your personal funds into your business, you might say “I could have earned interest if I put that money in a bank.” But you cannot treat that hypothetical lost interest as a business expense – it’s not actually incurred, and the law explicitly disallows it.

Costs of premises not used for trade: No deduction for rent, repairs, or other expenses for premises not occupied for the purposes of trade (e.g. a private residence or other non-business property). If a building or part of a building is used partly for business and partly as a dwelling, only the portion used for trade can be deducted. For instance, if you run a small business from one room of your house, you could apportion some utilities or rent to the business, but the majority of home expenses remain personal (and Section 16(1)(i) ensures the personal portion is not deductible).

Payments for restrictive covenants or exclusive rights: No deduction for any expenditure to secure sole selling rights or to restrain another person from competing. In other words, if you pay someone under an agreement not to sell a certain product or not to compete with you (often called a non-compete or exclusivity agreement), that payment is not deductible. Such payments are considered capital or investment in nature – they often secure a long-term advantage (e.g. a monopoly or exclusive territory). The Act explicitly disallows these under Section 16(1)(j). ZIMRA refers to it as the “cost of securing sole selling rights”.

Excessive leasing costs for passenger vehicles: Section 16(1)(k) places a cap on deductions for leasing passenger motor vehicles. Any lease payments on a passenger car above certain threshold amounts are not deductible. The thresholds have changed over time with currency and economic conditions. For leases entered into on or after 1 January 1999, the law (as updated) set a limit (formerly US$50,000, later adjusted in local currency) – amounts in excess of the limit are disallowed. The intent is to prevent taxpayers from claiming excessively high lease expenses on luxury vehicles. Practically, if a business leases an expensive car, it can only deduct up to the allowed ceiling; the remainder is a non-deductible expense. (Note: Purchases of vehicles are capital, but this rule addresses operating leases which otherwise would be revenue expenses – effectively equating high-cost leases to non-deductible capital outlays beyond a point.)

Cost of shares awarded to employees or directors: No deduction is allowed for the cost of any shares that a company gives to an employee or director. This covers situations like employee share schemes where the employer either issues new shares or buys shares to give to staff as a form of compensation. Section 16(1)(l) prohibits deducting the value of those shares. The reasoning is that issuing shares is not an “expense” out of the company’s income – it’s a distribution of ownership. (There is a specific provision, Section 15(2)(jj), that allows a deduction for shares granted under an approved employee share ownership scheme, but only if strict conditions are met. In the absence of that, the general rule of Section 16(1)(l) applies and blocks the deduction.) For example, if a company gives a key employee shares worth US$10,000 as a bonus, it cannot deduct that $10,000 as a wage expense because of this prohibition. ZIMRA’s guidance notes this rule prevents a company from claiming a deduction for issuing its own shares (or even shares of another group company) to employees.

Entertainment expenses: Business entertainment and hospitality expenses are not deductible. Section 16(1)(m) disallows any expenditure on entertainment (which includes social or hospitality events, meals, gifts, or other hospitality) whether spent directly by the taxpayer or via an allowance to an employee to entertain on the company’s behalf. ZIMRA clarifies that “entertainment” covers things like the cost of client lunches, cocktail parties, holiday gifts, golf days, etc.. Even if done with the intention of promoting good business relations, these are deemed non-deductible because of their personal and discretionary nature. For instance, a lunch with clients at a restaurant – no matter how much it is aimed at furthering business – is clearly precluded from deduction by this provision. Companies must bear such expenses out of after-tax income. (One narrow exception would be if the entertainment is part of providing a service for which you charge – e.g. a hospitality business’s cost of meals for guests – that’s not your entertainment, it’s a cost of sales. But typical corporate entertainment is covered by the prohibition.)

Expenses related to producing certain investment income: Section 16(1)(n) and (o) address expenses in relation to passive investment income. No deduction is allowed for expenses incurred in earning income from stocks and shares (i.e. dividends), and likewise no deduction for expenses to earn interest on any loan or deposit with a financial institution. The logic here is tied to how that income is taxed: dividend income (especially from other companies) is often subject to a final withholding tax or a flat rate without deductions, so the Act forbids claiming expenses like interest on money borrowed to buy those shares. ZIMRA points out that dividends from foreign companies are taxable to residents at a flat rate “without any deduction for related expenditure”. So if, for example, you took out a loan and invested the money in dividend-paying shares, you cannot deduct the loan interest against the dividend income (the dividend is taxed in full). Similarly, for interest income from bank deposits, any costs incurred to generate that interest (say you paid fees or interest to obtain funds that you then deposited) are not deductible against the interest received. The law essentially taxes certain investment income on a gross basis. Section 16(1)(o) specifically disallows expenses in the production of interest from deposits or loans with local banks, financial houses, or building societies. So an individual can’t, for instance, deduct bank charges or a portion of home office costs against the interest their fixed deposit earns – that interest is subject to withholding tax and is treated as net of expenses for tax purposes.

Thin capitalization – excessive interest on debt vs equity: Section 16(1)(q) limits the deduction of interest for businesses that are financed with excessive debt from certain related parties. Zimbabwe’s thin capitalization rule provides that if a local branch or subsidiary of a foreign company (or a local company controlled by another) incurs interest on debt that causes its debt-to-equity ratio to exceed 3:1, the interest on the excess debt is not deductible. In plain terms, the law expects companies to not over-leverage beyond three times their equity if the loans are from foreign parents or related parties, otherwise the “excess interest” is treated like a nondeductible distribution. There are provisos: the rule doesn’t apply to bona fide debts from local Zimbabwean banks or lenders who are not associated, and certain public sector loans are excluded. But broadly, if a subsidiary is thinly capitalized (too much related-party debt), Section 16(1)(q) kicks in to disallow a portion of the interest expense. This is an anti-avoidance measure to prevent profit-shifting via interest. Tax practitioners should calculate the company’s debt-equity ratio and identify any disallowed interest if the threshold is breached.

Head office and management fees to related parties – capped: Section 16(1)(r) imposes a cap on deductions for administration, management, or consultancy fees paid by a taxpayer to an associated enterprise (often a foreign parent or affiliate). The law distinguishes fees before a trade commences vs after commencement. Pre-commencement or during a production hiatus: such fees are deductible only up to 0.75% of the taxpayer’s total deductible expenses (as calculated under Section 15). After trade has commenced: the cap is 1% of total expenses. Any amount of management/administration fees beyond those percentages is prohibited from deduction. The rationale is to prevent companies from eroding the local tax base by paying large fees to related companies abroad (which could be a form of profit repatriation). For example, if a Zimbabwean subsidiary pays a foreign parent $1 million in management fees, but 1% of its total expenses is only $200,000, then $800,000 of that fee would be disallowed under this rule. ZIMRA’s public notice summarizes that this provision targets general administration and management fees between subsidiaries/branches and their parent or associated companies. Tax planning must therefore ensure related-party service fees are kept within reasonable limits relative to overall expenditures – otherwise the excess won’t be tax-deductible.

Interest on foreign loans indexed to unrealistic exchange rates: Section 16(1)(s) addresses a specific financing issue in Zimbabwe’s environment of multiple currencies and exchange rate disparities. It disallows any interest expense on a foreign-currency loan to the extent the interest is inflated by using an unfavorable exchange rate beyond the standard rate offered to other customers. In short, if a taxpayer secures a loan and the lender (or intermediary) uses an artificially high exchange rate for converting currency to calculate interest (perhaps in a related-party scenario), the extra interest cost attributed to that rate difference is not deductible. The idea is to curb abuses where a borrower might agree to pay more Zimbabwean dollars for each unit of foreign currency interest than the market norm, thereby overstating interest expense. ZIMRA’s notice effectively says: any interest above what it would have been at the normal bank rate of exchange is not allowed. This ensures interest deductions reflect genuine market terms, not manipulated forex terms.

The above list covers the main prohibited deductions under Section 16(1). The takeaway for tax students and practitioners is that even “ordinary” business expenses can be caught by these rules if they fall into one of the prohibited categories. Always cross-check expenses against Section 16 after applying Section 15. ZIMRA’s Public Notice on prohibited deductions emphasizes compliance with these rules and often provides examples (like the business lunch example for entertainment) to illustrate what is disallowed. Being familiar with these will help avoid claiming expenses that will be reversed on audit.

(Note: There are a few additional prohibited deduction items in the Act not detailed above, such as certain lease payments for the years between 1986–1999 with specific dollar limits, which have historical relevance, and paragraph (p) which was repealed. The focus above is on the items most relevant in the current 2025/26 context.)

Repairs are generally deductible, whereas improvements are not (they are treated as capital). Section 15(2)(b) specifically allows a deduction for expenditure on repairs and maintenance of property, plant, and equipment used in the trade (including repairs to premises used for trade and to assets like machinery, tools, etc.) – so long as the expense is truly a repair and not an enhancement. The challenge in practice is distinguishing a repair from an improvement.

A repair is work done to restore an asset to its original condition or functioning state. It fixes defects or wear-and-tear damage without changing the asset’s fundamental character or performance beyond what it originally was. Repairs are considered part of the cost of maintaining income-producing assets and thus are tax-deductible in full when incurred.

An improvement (or alteration/addition) is work that betters an asset, upgrades it, or extends its useful life significantly beyond the original design. Improvements often result in a new or enhanced asset, and thus the costs are capital in nature (not deductible as an expense) – though they may qualify for capital allowances if it’s an improvement to business premises or equipment.

A simple example illustrates the difference clearly: if a business has a building with a leaking roof, paying a contractor to patch the leak or replace worn-out roof tiles is a repair – it merely restores the roof so it keeps out rain as it did before. That cost would be deductible. However, if the business decides to add another floor to the building, that is an improvement – it’s creating additional capacity/space that wasn’t there originally, an enduring benefit. The cost of building a new floor is not a deductible repair; it is a capital improvement to the property (which would typically be added to the building’s cost and possibly depreciated via capital allowances).

Another example: suppose a company car’s engine fails. Paying to overhaul or replace parts of the engine with equivalent parts to get it running again is a repair (deductible). But if the company instead replaces the engine with a more powerful upgraded engine that enhances the car’s performance beyond original specs, that veers into improvement. The cost difference attributable to upgrading (beyond just restoring functionality) would be capital. Similarly, repainting a shop, fixing broken windows, or replacing worn cables on a machine are repairs (they keep the asset in ordinary working condition). In contrast, extending the shop’s floor area, installing a new advanced machinery attachment, or completely rebuilding a structure with better materials can be improvements.

The rationale for disallowing improvements as expenses is that they are part of acquiring or enhancing a capital asset. Tax courts (in Zimbabwe and elsewhere) often apply tests like: Does the work produce something new or of better quality than what was there? Does it significantly prolong the asset’s life or increase its value? If yes, it’s likely capital. If the work simply restores the asset to perform the same function as before, it’s a repair. One South African case often cited (as persuasive authority in our jurisdiction) explained that replacing an entire part of an asset can still be a repair if you are simply replacing like with like due to wear – for instance, replacing all the wooden floorboards in a factory that have rotted with new wooden boards was held to be a repair, not an improvement, because the factory was just restored to its original condition. But replacing them with, say, reinforced concrete (a material upgrade providing a substantially longer life) might be seen as an improvement.

Zimbabwean practice: While there might not be a multitude of modern local cases squarely on repairs vs improvements, the tax authorities follow similar principles. ZIMRA will look at the nature of the work done. They expect taxpayers to claim only genuine repairs as deductible, and capitalize any work that increases the asset’s value or usefulness. In an audit, if ZIMRA sees a large maintenance expense, they may ask: Was this purely maintenance, or did you also upgrade the asset? It’s wise for taxpayers to document repair work and perhaps even annotate invoices as “repairs to restore X” to distinguish from improvements. If an expenditure has mixed elements (some repair, some improvement), a reasonable apportionment should be made – only the repair portion is deductible.

In sum, deductible repairs keep your business assets operating in their original state, whereas non-deductible improvements change the game – they build your capital base. A handy rule of thumb from student notes: “Repair = fixing a leaking roof; Improvement = building a new floor.” This captures the essence succinctly.

Starting a new business or trade often involves incurring costs before any income is earned – for example, market research, feasibility studies, initial rent and utility deposits, training staff, advertising prior to opening, and so on. Under a strict application of the “in the production of income” rule, such pre-trading expenditure might not have been deductible historically, because at the time the money was spent, the business had not yet commenced its income-producing activities. In recognition of this, Zimbabwe’s law (following international practice) now provides relief for pre-trade expenses. Section 15(2)(zz) (introduced by the Finance (No. 7) Act 2023) explicitly allows a taxpayer to deduct pre-trading expenditure in the year the trade commences, provided the nature of the expense is such that it would have been deductible under the general formula if it had been incurred during the trading period.

In essence, qualifying pre-trade costs are treated as incurred on the first day of trading. When the taxpayer begins to produce income (starts trading), those prior expenses can be written off against that income. The intention is to give new businesses a fair shake by recognizing legitimate start-up costs. According to an ACCA Zimbabwe tax guide, “These are pre-trading expenses and should be allowable as a deduction on commencement of income generation, provided that the expenses are not capital in nature.”. In other words, one must strip out any capital expenditures (e.g. purchase of equipment, which is still capital) and any private or prohibited items – but the remaining revenue expenses incurred before trading are deductible once the operations begin.

Practical examples: Suppose in 2025, Jane sets up a manufacturing business. In late 2024, before she formally starts selling any products, she incurred ZWL 1 million in costs: this included market research fees, business registration and legal fees, rent for a warehouse (while setting up), staff recruitment and training costs, and advertising for the launch. The business officially commences trading on 1 January 2025 and starts earning income. Under Section 15(2)(zz), Jane can claim those pre-opening expenses in her 2025 tax return as if they were incurred in 2025 (the year her trade began). Each of those expenses must be of a kind that is normally deductible – in this case, they are (market research and advertising are for the purpose of trade; rent and training are ordinary revenue expenses). By contrast, if Jane bought machinery or vehicles in 2024 before trading, those are capital assets – she cannot deduct those under 15(2)(zz) (though she can claim capital allowances separately). The rule only brings in otherwise-deductible expenses.

Another example: A company, before opening a mine, incurs pre-production expenses on things like trial shafts, geological surveys, etc. Mining has its own deduction regimes, but generally such pre-production exploration and development expenses are allowed (often under special mining provisions). For non-mining businesses, Section 15(2)(zz) covers analogous ground. If a consulting firm spends money on bidding for contracts and travel to meet potential clients prior to actually securing any contract revenue, those costs can be deducted in the year they finally start executing contracts and earning fees.

There may be time limits (for instance, some countries only allow pre-trading expenses incurred in the last 5 or 7 years before commencement – Zimbabwe’s provision will specify if any such limit exists). As of Finance Act No. 7 of 2023, the allowance is broadly worded and aligns with the idea that all qualifying pre-trade expenses are deductible at commencement. The policy encourages entrepreneurship by relieving the tax burden in those crucial first profitable years with the startup costs.

It’s important to maintain records of all pre-trading expenses and to claim them once the business is fully operational. Note that if a business never commences (for example, a venture is abandoned before any income is earned), there is no trade commencement and thus no deduction – one cannot deduct aborted startup costs against other income. The relief only triggers upon the actual start of trading.

Summary: Section 15(2)(zz) ensures that pre-operating expenses (excluding capital items) get deducted when a trade or income-generation begins. This aligns with the principle of matching costs with income and avoids penalizing taxpayers for legitimate business expenses incurred in preparation for earning taxable income. Tax practitioners should identify such expenses and defer them to the first trading year’s computation. This provision is particularly beneficial in the 2025/2026 tax year for new ventures coming on stream, and was a welcome development in the Finance Act No. 7 of 2023 reforms.

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