Provisional tax is often misunderstood by taxpayers. Many people treat it as a separate tax, when in reality it is simply a way of paying normal income tax in advance. SARS uses the provisional tax system to collect income tax during the year of assessment, instead of waiting until the final annual tax return is submitted.
This system is important because not all taxpayers earn income that is taxed monthly through PAYE. Employees usually have tax deducted from their salaries by their employers. However, businesses, trusts, companies, landlords, freelancers, consultants and individuals with other taxable income may not have tax deducted automatically during the year. Provisional tax helps SARS collect tax from these taxpayers in a structured way.
For this reason, provisional tax should not be treated as an administrative formality. It requires careful estimation, proper financial records and a clear understanding of the taxpayer’s expected taxable income for the year.
Provisional tax is an advance payment of income tax. It is based on an estimate of the taxpayer’s taxable income for the relevant year of assessment.
The return used for provisional tax is called an IRP6 return. This return reflects the estimated taxable income, the calculated tax liability, any tax already paid, and the amount payable for that provisional period.
The purpose of the IRP6 is to help SARS collect tax in advance while also helping taxpayers avoid one large tax bill when the final income tax return is assessed.
A provisional taxpayer generally includes a person or entity that receives income other than regular employment income.
This usually includes companies, trusts, sole proprietors, freelancers, consultants, landlords and individuals with taxable income that is not fully subject to PAYE.
For individuals, the obligation depends on the type and amount of income earned. A person who only earns a salary from an employer may not need to submit provisional tax returns, because PAYE is already deducted monthly. However, if that same person earns rental income, business income, consulting income or certain investment income, provisional tax may become relevant.
Companies are generally provisional taxpayers by default. Trusts are also usually treated as provisional taxpayers.
For taxpayers with a February year end, provisional tax is normally submitted twice during the year.
The first provisional tax return is due at the end of August. This return is based on an estimate of taxable income for the full year, even though only the first six months of the year have passed.
The second provisional tax return is due at the end of February. This return is more important because it is submitted at the end of the year of assessment. By this stage, the taxpayer should have a much clearer view of the actual income, expenses and taxable profit for the year.
Some taxpayers may also make a third voluntary top up payment after year end. This is not a compulsory IRP6 return, but it may help reduce interest where the first two provisional payments were not enough.
Why the Second Provisional Tax Estimate Matters
The second IRP6 estimate carries the highest risk. SARS expects this estimate to be reasonable because the taxpayer is already close to the end of the tax year.
A common mistake is to simply copy the prior year taxable income or use the basic amount without considering the current year’s actual performance. This can be risky where income has increased, expenses have reduced, profits have improved, or there were once off transactions during the year.
If the second estimate is too low, SARS may impose an underestimation penalty. The penalty can be significant and is usually avoidable with proper planning and accurate financial information.
For taxpayers with taxable income of R1 million or less, the second estimate generally needs to be carefully measured against the basic amount and the actual taxable income. For taxpayers with taxable income above R1 million, SARS applies stricter expectations, and the estimate generally needs to be at least 80 percent of the actual taxable income to avoid underestimation penalties.
This is why the second IRP6 should not be submitted based on guesswork. It should be based on updated records, realistic projections and proper tax adjustments.
The basic amount is generally based on the taxpayer’s most recent assessed taxable income, adjusted where required.
Many taxpayers believe that using the basic amount automatically protects them from penalties. This is not always correct. The basic amount is helpful, but it does not replace the need to consider the taxpayer’s actual current year income.
For example, a business may have had taxable income of R500 000 in the previous year, but the current year taxable income may increase to R1 200 000. If the taxpayer simply uses the old assessed amount without updating the estimate, the second provisional tax return may be too low.
The basic amount should therefore be treated as a reference point, not as a complete tax planning solution.
Common Reasons for Underestimating Provisional Tax
Underestimation often happens because the taxpayer does not have accurate financial information at the time of submission.
Bookkeeping may be incomplete. Bank statements may not be fully processed. Debtors and creditors may not be updated. Personal expenses may be mixed with business expenses. VAT and payroll records may not agree with the accounting records. Stock may not be properly accounted for. Director loan accounts may not be reviewed.
Another common issue is confusing cash flow with taxable income. A business may have limited cash available but still have taxable profit. On the other hand, a business may have strong cash inflows that include loans, capital contributions or other receipts that are not necessarily taxable income.
Without proper accounting review, the provisional tax estimate becomes unreliable.
A proper IRP6 estimate should start with updated accounting records. The taxpayer should review income earned to date, expected income until year end, deductible expenses, non deductible expenses, capital allowances, assessed losses and tax credits.
For companies, the estimate should be based on taxable income, not only accounting profit. Accounting profit may need to be adjusted for tax purposes. Common adjustments include depreciation, wear and tear allowances, penalties, entertainment expenses, donations, private expenses, capital items and other non deductible expenditure.
For individuals, the estimate should include business income, rental income, investment income and any other taxable income. Allowable deductions, retirement annuity contributions, medical tax credits and PAYE already deducted should also be considered.
It is also important to keep supporting documents and working papers. If SARS later questions the estimate or imposes a penalty, the taxpayer should be able to show how the estimate was calculated and why it was reasonable at the time.
Provisional tax is only as accurate as the information used to calculate it.
If the accounting records are incomplete, the estimate becomes weak. If income is not fully recorded, the taxpayer may underestimate the tax liability. If expenses are incorrectly claimed, the estimate may be distorted. If taxable and non taxable amounts are mixed together, the final result may be unreliable.
Proper records allow the taxpayer to calculate provisional tax with more confidence. They also make it easier to respond to SARS queries, support deductions, explain assumptions and defend the estimate if penalties are raised.
The most immediate cost is the underestimation penalty. SARS may impose a penalty where the second provisional estimate is too low compared to the actual taxable income.
There may also be late payment penalties and interest if the provisional tax payment is not made on time or is insufficient.
Beyond SARS penalties, poor provisional tax planning can create cash flow pressure. A taxpayer who pays too little during the year may face a large final tax liability after assessment. This can be difficult for businesses that did not set money aside for tax.
For companies, poor tax compliance can also affect tax clearance status, funding applications, tenders, supplier onboarding and general business credibility.
Provisional tax should not only be viewed as a SARS requirement. It can also be used as a business planning tool.
The August IRP6 submission gives the taxpayer an opportunity to review the first half of the year. The February IRP6 submission gives a clearer view of the final expected tax position.
This process can help identify whether the business is more profitable than expected, whether expenses are increasing, whether margins are under pressure, whether cash flow planning is sufficient and whether tax reserves are being managed properly.
When used properly, provisional tax encourages better financial discipline. It pushes taxpayers to keep records updated, review performance regularly and plan for tax before it becomes a problem.
Taxpayers should avoid waiting until the deadline before calculating provisional tax. The process should begin early enough to allow for bookkeeping updates, reconciliations and tax adjustments.
The second provisional tax estimate should be based on the most accurate information available. Where the final figures are not yet available, reasonable projections should be used and properly documented.
Taxpayers should also review the previous year assessment, current year management accounts, bank records, VAT returns, payroll submissions, loan accounts, asset registers and any unusual once off transactions.
Where income has increased during the year, the estimate should be updated accordingly. Where there is uncertainty, the assumptions used should be written down and retained as part of the tax working papers.
Provisional tax is not just about submitting an IRP6 return. It is about estimating taxable income responsibly, paying tax in advance and reducing the risk of penalties.
The second provisional tax estimate is particularly important because SARS expects it to reflect a reasonable view of the taxpayer’s actual position for the year. A careless estimate can result in penalties, interest and unnecessary compliance pressure.
With accurate records, proper forecasting and a disciplined approach to tax planning, provisional tax becomes manageable. More importantly, it helps taxpayers avoid surprises, protect cash flow and maintain a stronger compliance position.