SARS IRP6 Deadline 2026: 8 Checks Before You Submit
For provisional taxpayers whose year of assessment started on 1 March 2026, the first IRP6 return and applicable provisional tax payment are due by 31 August 2026. Businesses with different financial year-ends may have different submission dates.
Submitting on time matters, but so does getting it right. Accurate, up-to-date accounting records help you estimate your taxable income correctly, prepare for the provisional tax payment due, and gain useful insight into your business.
You might be reading this and thinking this is all good and well, but what is an IRP6? In simple terms, it is a submission (i.e. a form) to estimate your tax liability and calculate how much tax you are most likely to owe to SARS in the relevant tax year. This helps you avoid being saddled with a large tax bill at the end of the year.
Need more detailed information? Download the official SARS Provisional Tax Guide here (PDF).
Five Questions to Ask Before Submitting an IRP6 Tax Return
Before your IRP6 is submitted, ask yourself:
- How current are the accounting records?
Confirm which months have been captured and reconciled in the “books”. - How was taxable income calculated?
Make sure the figure is not just turnover, total deposits or the bank balance. - What assumptions were used?
Check whether expected sales, new contracts, seasonal changes and upcoming costs were considered. - Can the estimate be explained?
Understand why it differs from the previous year or the last SARS assessment. - What must be paid?
Confirm the amount, payment reference and whether the money is available before 31 August 2026.
Can Poor Records Cause You to Estimate IRP6 Incorrectly?
If legitimate business expenses are missing or incorrectly classified, the IRP6 estimate may be higher than it should be. However, paying an expense from the business bank account does not automatically make it tax-deductible.
Depending on the business and the applicable tax rules, commonly overlooked expenses may include:
- Bank charges and merchant fees.
- Accounting and professional fees.
- Business software, licences, and subscriptions.
- Marketing and advertising costs.
- Business insurance.
- Repairs and maintenance.
- Qualifying travel, office, or home-office costs.
Invoices, receipts, contracts, logbooks and clear transaction descriptions are important. They show what was purchased, why the cost was incurred and how it relates to the business.
Mixing personal and business spending makes this process more difficult. It can result in legitimate expenses being missed or personal expenses being claimed incorrectly.
IRP6 Tax Return Readiness Score - Self-Assessment
Give yourself one point for every statement you can confidently tick:
- My bookkeeping is up to date.
- My business bank accounts have been reconciled.
- All business income has been recorded.
- Personal and business transactions are separated.
- Expenses have been correctly classified.
- I have invoices or receipts for material expenses.
- My eFiling access and registered representative details are current.
- I know the likely provisional tax amount and have set aside the money.
Keep Your Accounts Up to Date
Get professional monthly accounting and keep your financial records ready for tax time.
What If Your Business Is Not Ready?
Start by identifying what is preventing you from finalising a reliable IRP6 estimate.
- Bookkeeping is incomplete: Bring your accounting records up to date and reconcile transactions before estimating taxable income.
- SARS or eFiling details are incorrect: Check your tax registration, eFiling access and SARS Registered Representative details.
- Returns, payments or records are outstanding: Establish what is outstanding and correct the underlying issues before proceeding. These may also affect your Tax Compliance Status and applications for finance, tenders or contracts.
The priority is to understand the problem first, correct the underlying records where necessary, and only then finalise the IRP6 estimate and submission.
Why Can Guessing Your IRP6 Figures Become Expensive?
What happens if your IRP6 estimate or payment is wrong?
According to the SARS Guide for Provisional Tax, late payment of first or second provisional tax may attract a 10% penalty, as well as interest.
Underestimation penalties are generally determined with reference to the second provisional tax estimate. However, submitting an unrealistically low first estimate can create a much larger payment later in the year. SARS may also request supporting information and increase an estimate it considers unreasonable.
Need Help With Your IRP6?
Get your provisional tax return prepared correctly and submitted to SARS before the deadline.
What Your Provisional Tax (IRP6) Numbers Reveal About Your Business
Getting your IRP6 estimate right is important for SARS compliance, but there is another benefit to having accurate, up-to-date accounting records: the figures can tell you what is happening inside your business.
Preparing a reasonable taxable-income estimate requires a clear view of your income, expenses, tax adjustments and expected performance. In the process, you may identify changes in profitability, margins, costs or cash flow that require attention.
Consider a business whose turnover increased from R900,000 to a projected R1.2 million. At first glance, that looks like strong growth. However, if its projected profit drops from R270,000 to R240,000, its profit margin has fallen from 30% to 20%.
The business may be selling more while keeping less from every sale.
This should prompt questions such as:
- Have supplier or staffing costs increased?
- Are discounts reducing profitability?
- Has pricing kept pace with operating costs?
- Are overheads growing faster than turnover?
- Is enough money being set aside for tax?
Three IRP6 Examples: Same Turnover, Different Outcomes
Consider three fictional businesses, each with projected annual turnover of R1.2 million. Their turnover is the same, but the quality of their accounting records leads to very different IRP6 outcomes.
| | 1. Organised Owner | 2. Mixed Spending | 3. Last-Minute Estimator |
| Records | Monthly bookkeeping, separate business transactions and supporting invoices. | Personal and business transactions run through the same bank account. | Uses the bank balance to estimate taxable income at the deadline. |
| IRP6 Impact | Current records reveal a declining profit margin, allowing the owner to review costs, identify qualifying expenses and plan for tax. | Records must be reconstructed, creating a risk of missed expenses or personal costs being incorrectly claimed. | Bank balance includes deposits, VAT collected and borrowed funds, while excluding unpaid expenses. |
| Likely Outcome | More reliable estimate and better cash-flow planning. | Risk of overpaying, claiming incorrect expenses or submitting a difficult-to-support estimate. | Rushed estimate and greater risk of an unexpected tax payment later. |
How Company Partners can with your IRP6 Tax Return assist before 31 August 2026
Company Partners can assist South African entrepreneurs and SMEs with:
- Reviewing available financial records.
- Identifying missing accounting information.
- Calculating a reasonable taxable-income estimate.
- Reviewing the treatment of business expenses.
- Submitting the IRP6 return.
- Guiding the business through the applicable payment.
- Resolving tax registration, representative or backlog issues.
- Putting monthly accounting systems in place.
The 31 August 2026 IRP6 Tax Return deadline is not only about submitting on time. It is an opportunity to make sure your accounting records are up to date, your provisional tax estimate is based on reliable figures, and your business is prepared for the payment due. Getting these foundations right can also give you a clearer picture of your business’s financial position and help you plan ahead.
