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Provisional tax: the dates and the penalty that catch people out

4 November 2026  |  1 min read

Woman reviewing a financial statement at her desk

If you earn income that is not fully taxed through PAYE, such as rental income, freelance fees or profit from a business, you are probably a provisional taxpayer. Provisional tax is simply a way of paying your income tax in instalments during the year rather than in one lump sum after assessment.

The two main payments

Individuals normally make the first payment by the end of August and the second by the last day of February. Companies pay according to their own year end, at the six-month point and again at year end. When a date falls on a weekend, the payment is due on the last working day before it.

The top-up payment

A third, voluntary payment can be made after year end, before your assessment is issued. Many clients use it to avoid interest on a shortfall.

Where the penalty comes from

The second payment is based on an estimate of your taxable income for the whole year. If that estimate is too far below what you actually earn, SARS can add a penalty of 20% of the shortfall, and interest runs on late or short payments. The thresholds change from time to time, so confirm the current rules with us before you submit.

What to do

Send us your management accounts or bank statements in July and again in January. That gives us time to work out a realistic estimate before the payment date.

  • Diarise 31 August and the last day of February.
  • Keep a record of every payment and the date it was made.
  • Tell us early if your income changes sharply during the year.

Book an appointment

Contact

Let's help you meet that deadline. Get in touch today

Call 011 609 9000 or send your details and we'll find a time that suits you.