For most business owners, the prescription period provides a degree of certainty. Once the statutory period for assessment has expired, it is generally expected that the relevant tax year is closed.
However, a recent High Court judgment demonstrates that this assumption may require qualification.
In Commissioner for SARS v Meiring Citrus (Pty) Ltd, the Western Cape High Court considered whether Sars could reopen an assessment after the ordinary prescription period had expired. The judgment, delivered in June 2026, has potentially significant consequences for South African taxpayers.
The case concerned an atypical insurance arrangement. The taxpayer paid approximately R10 million under a self-insurance arrangement and claimed the amount as a deduction.
Of this amount, only approximately R400,000 constituted an underwriting charge. The remaining R9.6 million was credited to an experience account, which earned interest, funded claims, and could ultimately be returned to the taxpayer.
This distinction proved to be critical.
Circumstances in Which a Closed Tax Year May Be Reopened
Section 99 of the Tax Administration Act generally prevents Sars from issuing an additional assessment after the applicable prescription period.
However, there are important exceptions to this general rule.
Prescription can effectively be displaced where Sars' failure to assess the correct amount of tax resulted from fraud, misrepresentation or the non-disclosure of material facts.
The earlier Tax Court judgment in Meiring Citrus adopted a relatively taxpayer-friendly approach. It rejected the argument that a single misrepresentation or non-disclosure would automatically entitle Sars to reopen an entire prescribed assessment.
Sars appealed.
The High Court subsequently overturned the Tax Court’s decision and confirmed Sars' additional assessment.
This does not mean that Sars can reopen any old assessment simply because it discovers an error. Sars must still satisfy the statutory requirements of section 99.
The judgment illustrates the significant impact these exceptions may have.
The Significance of a R1,197 Interest Amount
A notable aspect of the case involved an amount of R1,197 in interest.
Relative to the R9.6 million deduction, this amount may appear insignificant.
However, its significance did not lie in its quantum.
The interest provided insight into the nature of the underlying transaction. Ordinary business expenditure is not typically held in an account that accrues interest for the taxpayer.
Accordingly, the small amount raised a broader question: whether the R9.6 million constituted a genuine insurance expense, or whether it was, in substance, an investment or refundable reserve.
The High Court concluded that the R9.6 million was not deductible under section 11(a) of the Income Tax Act.
For businesses, it is important to recognise that materiality for tax purposes is not always determined by the monetary value involved.
A seemingly minor omission may reveal the true nature of a much larger transaction.
The terminology used to describe a transaction does not determine its tax consequences.
A further consideration for CEOs and business owners.
Describing a payment as an insurance premium, management fee, loan, licence fee, or service charge does not, in itself, determine its tax treatment.
The underlying contractual rights and the economic substance of the transaction are determinative.
Before implementing a material tax structure, management should ask a simple commercial question:
What has the company actually paid for, and what rights does it retain after payment?
If funds can be returned to the company, generate income for its benefit, or remain under its effective economic control, the tax consequences may differ materially from those suggested by the transaction's description.
The responsibility for tax risk remains with the taxpayer, not the adviser.
The case also highlights an important governance consideration.
During Sars’ earlier enquiries, the taxpayer’s accountant supplied incomplete documentation. The full contractual documentation, which revealed important features of the arrangement, emerged later.
The High Court treated the accountant as it should be a matter of concern for boards and business owners.
Outsourcing tax compliance does not transfer the taxpayer's statutory exposure.
Where a transaction results in a material or unusual tax benefit, directors should ensure that all agreements, cash flows, accounting treatment, and commercial rationale have been thoroughly reviewed, rather than relying solely on assurances of tax compliance.
Sars cannot simply invent a new case
Taxpayers retain an important protection in this regard. Meiring Citrus does not give Sars unlimited freedom to change its case during litigation. The Supreme Court of Appeal’s 2026 decision in CSARS v Erasmus confirms that Sars cannot use the tax dispute process to replace its original statutory case with a fundamentally different one. This distinction, while subtle, is significant.
Sars may develop arguments within the legitimate boundaries of an existing assessment, but it cannot create an entirely new assessment through litigation. The practical implications of Meiring Citrus extend beyond tax disputes. Businesses should maintain comprehensive supporting records for material tax positions, ensure that Sars receives accurate and complete information, and independently review transactions that result in unusually favourable tax outcomes.
It is essential that reliance on prescription does not substitute for ensuring the correct underlying tax treatment.
A transaction implemented today may only be challenged years later, when employees have left, advisers have changed, and institutional memory has disappeared. The most effective protection against such risk remains sound professional advice, comprehensive documentation, accurate disclosure, and ensuring that the commercial substance of the transaction supports its tax treatment. As demonstrated by Meiring Citrus, a seemingly minor detail can result in the reopening of a significant tax matter.
* Oberholzer is the CA(SA), M.Com (Taxation), chartered tax adviser and founder of Fyncor.
THE NATIONAL