If You Earn in USD, You Are Probably Already a Provisional Taxpayer
There is a line in the tax rules that quietly reclassifies a large number of people, and almost none of them know it applies to them.
A provisional taxpayer, in SARS's own words, includes:
A person (other than a company) who earns income which is not remuneration, an allowance or advance as contemplated in section 8(1) or who earns remuneration from an employer that is not registered for employees' tax
Read the second half again. Not "self-employed". Not "freelancer". Anyone paid by an employer that is not registered for employees' tax.
An overseas company paying you is not registered for South African employees' tax. It has no reason to be. So the salaried, full-time, entirely conventional employee of a foreign company — someone who would never describe themselves as self-employed — falls inside the definition on exactly the same footing as a contractor invoicing five different clients.
Nobody is deducting anything from your pay. That is not a gap in the system. It is the system assuming you will handle it yourself, twice a year.
Who is outside it
There are exclusions, and one of them is aimed squarely at small amounts.
A natural person who does not derive income from the carrying on of any business is excluded where, in that year, either:
- taxable income does not exceed the tax threshold; or
- taxable income from interest, dividends, foreign dividends, rental from letting fixed property, and remuneration from an employer that is not registered for employees' tax, does not exceed R30,000
Notice that the R30,000 basket names unregistered-employer remuneration explicitly. A genuinely small amount of foreign earnings, in the hands of someone not carrying on a trade, is contemplated and let out.
Above that, you are in. There is no registration threshold to cross, no invitation and no notification — the definition simply describes you.
The two dates, and the third
The obligation is not a return at the end of the year. It is payments during it.
| First period | Within six months of the start of the year — for a February year end, 31 August |
| Second period | Not later than the last day of the year of assessment |
| Third (voluntary top-up) | 30 September for a February year end |
The third payment is optional and exists to stop interest running where the first two were inadequate.
Two practical details cost people money every year. If a due date falls on a weekend or public holiday, payment must be made on the last working day before it — not the next one. And electronic payments need a clearance period that SARS puts at two to five days. A payment initiated on the due date can land as a late payment.
The basic amount is a floor, not a shelter
This is the mechanic that catches honest people, so it is worth understanding properly.
Your estimate of taxable income may not be lower than your "basic amount" — broadly, the taxable income assessed for your latest preceding year, stripped of any taxable capital gain and of retirement fund lump sums and severance benefits. You may go below it only if the Commissioner agrees.
That floor is calculated from last year's income. Which means:
If your earnings grew, the floor protects you. Estimating at last year's level is permitted, and the shortfall is settled on assessment.
If your earnings fell, the floor is a trap. SARS's own worked example makes this uncomfortably clear. A taxpayer expected a weaker year and estimated R200,000. His basic amount from the prior assessment was R300,000. His actual taxable income came in at R280,000 — genuinely lower than the basic amount, so his instinct about the year was right.
He was penalised anyway. His estimate sat below 90% of his actual income (R252,000) and below the basic amount (R300,000), which is the test. On SARS's figures the penalty came to R2,600.
Nothing about that was dishonest. He forecast a downturn, the downturn happened, and the estimate was still too low against a floor set by a better year.
There is one release valve. Where the Commissioner is satisfied that the failure was not due to an intent to evade or postpone payment, the whole or any part of the penalty may be remitted. That is a discretion to ask for, not a rule to plan around.
What the penalty actually is
Two regimes, and the difference between them matters more than the rate does.
Taxable income up to R1 million. Where the estimate is below 90% of actual taxable income and below the basic amount, the penalty is 20% of the difference between the lesser of (tax on 90% of actual income) and (tax on the basic amount), and what you have actually paid in employees' tax and provisional tax by the end of the year.
Taxable income above R1 million. The penalty is 20% of the difference between tax on your estimate and tax on 80% of actual taxable income, less what you paid.
The contrast is the point. Above R1 million the basic amount stops sheltering you. Last year's assessment is no longer a defence; you are measured against 80% of what you actually earned. For anyone whose foreign-currency income has recently crossed that line, the rules changed underneath them without an announcement.
Separately, late payment of the first or second period carries a 10% penalty. The two interact in your favour: an underestimation penalty is reduced by any late-payment penalty already imposed. In SARS's example, a R2,600 underestimation penalty against a R1,000 late-payment penalty leaves R1,600 due.
Missing the second return is the expensive mistake
Not filing is treated far more harshly than filing badly.
If the second IRP6 is not submitted by its due date, you are deemed to have submitted an estimate of nil taxable income — unless the return arrives within four months after the end of the year.
A nil estimate against real income is the largest possible gap, which means the largest possible penalty. The old separate penalty for late submission was deleted years ago, but this deeming provision does the same work by a different route, and it is harsher.
And your estimate is not the last word. SARS may call on you to justify it and, if it is not satisfied, may increase it to what it considers reasonable. That increase is not subject to objection and appeal. A penalty can still be levied on the increased estimate.
Interest, and the sting in it
Underpayment interest runs from an "effective date" — for a February year end, seven months after it. For an individual it applies where taxable income for the year exceeds R50,000.
The detail worth knowing: interest on underpayment is not a tax-deductible expense. Unlike most costs of earning an income, you carry it in full.
Two things people leave out of the estimate
Your estimate is of total taxable income, not of invoices received. Two adjustments are routinely missed.
Capital gains go in. The taxable portion of your aggregate capital gain for the year must be included in both the first and the second estimate. Sell an asset in February and the estimate due that same month is meant to reflect it.
Retirement fund lump sums and severance benefits stay out. They are taxed under their own tables, and they are excluded both from the estimate and from the penalty calculation.
If you are behind on returns, the floor grows
One more mechanism, aimed at people who have not filed in a while.
Where an estimate is made more than 18 months after the end of the latest assessed year, the basic amount must be increased by 8% for each year. It is simple, not compounded: SARS's example takes a basic amount of R195,000 across four years to R257,400 — R195,000 + (R195,000 x 8% x 4).
So the floor you are measured against does not sit still while returns go unfiled. It climbs, and it climbs regardless of what actually happened to your income in those years.
What this page does not cover
The rand thresholds. The tax threshold that switches the exclusion on and off moves with each Budget. Use the income tax calculator rather than a figure typed into an article.
How foreign withholding interacts with this. If tax is deducted where your client or employer sits, whether and how that credits against your South African liability is a separate question we have not sourced here.
The foreign employment income exemption, which has its own qualifying tests and is covered on its own page.
Companies and trusts, beyond noting that companies are automatically in the provisional system, and that directors of private companies are not, unless they have other business income.
About the source
The definition, the exclusions, the payment dates, the basic amount and every penalty figure above come from SARS External Guide GEN-PT-01-G01, "Guide for Provisional Tax", Revision 28, effective 29 June 2026, together with SARS's published provisional tax page.
The rand amounts in the worked examples are SARS's own illustrations of the mechanism and use the tax tables of the year in question rather than current rates. Rules, rates and thresholds change — confirm the current position with SARS or a tax practitioner. This is general information, not tax advice.
How does this affect YOUR Money OS?
If foreign-currency income reaches you gross, part of it is not yours. Setting that share aside monthly, and knowing your basic amount before 31 August, turns a penalty into a diary entry.
FAQ
Am I a provisional taxpayer if I work for an overseas company? Very likely. SARS's definition includes a person who earns remuneration from an employer that is not registered for employees' tax, which a foreign employer generally is not.
Is there a small-earnings exclusion? Yes. A natural person not carrying on a business is excluded where taxable income does not exceed the tax threshold, or where taxable income from interest, dividends, foreign dividends, rental from letting fixed property and remuneration from an unregistered employer does not exceed R30,000.
When are the payments due? Within six months of the start of the year — 31 August for a February year end — by the last day of the year of assessment, and an optional third payment on 30 September.
What is the basic amount? Your taxable income assessed for the latest preceding year, less any taxable capital gain and less retirement fund lump sum and severance benefits. Your estimate may not be lower than it without the Commissioner's agreement.
What is the underestimation penalty? 20%. Up to R1 million of taxable income it applies where the estimate is below both 90% of actual income and the basic amount. Above R1 million it is measured against 80% of actual taxable income, with no basic-amount protection.
What happens if I do not submit the second return? You are deemed to have submitted an estimate of nil taxable income, unless the return is submitted within four months after the end of the year.
Is the late payment penalty separate? Yes — 10% on late payment of the first or second period. An underestimation penalty is then reduced by the late-payment penalty already imposed.
Can I object if SARS increases my estimate? No. The guide states that an increase of the estimate by SARS is not subject to objection and appeal.
Is underpayment interest deductible? No. SARS states that interest on underpayment of provisional tax is not a tax-deductible expense.
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