Source of Funds Evidence: What SA Banks and SARS Actually Want to See
You’re at your bank’s forex desk when the consultant asks a question that sounds simple and isn’t: “Where did this money originate?” If your answer takes more than one sentence, that’s the file that gets held for review.
This is the part of moving money that people underestimate. The transfer mechanics — SDA, foreign investment allowance — get all the attention. The source-of-funds evidence SA banks want to see gets almost none, until it’s the reason a transfer stalls.
What “source of funds” actually means
Every outbound transfer through an authorised dealer bank needs a paper trail showing where the money came from. A healthy bank balance on its own answers the wrong question. The bank, and behind it SARS, wants to see the transaction that put the money there in the first place.
The three documents that carry the most weight
Sale agreements. If the funds came from selling a property, a car, a business, or shares, the signed sale agreement is the anchor document. It should match the amount that later appears in your account, roughly and in timing.
Payslips. For money built up from salary over time, payslips (or an employer letter covering the period) tie savings back to income that was actually taxed and declared. A large balance with no matching income history is exactly the pattern that gets flagged.
Inheritance documents. Money from a deceased estate needs the executor’s letter, the Master of the High Court’s documentation, or the estate account statement showing the distribution. Inheritance is one of the more common sources for South Africans in this position, and also one of the better-documented, since the paper trail already exists through the estate process.
Where it gets messier
A loan agreement in a source-of-funds file is a red flag. Borrowed money moving through your account belongs to whoever lent it, and using it to prop up a transfer amount usually raises more questions than it answers.
Property sale proceeds carry their own wrinkle: the sale agreement and the money landing in your account can be weeks or months apart, and the amount, after agent commission, bond settlement and transfer costs, rarely matches cleanly. Keep every document from the conveyancing process, not just the final settlement statement.
The consistency problem
The evidentiary standard behind large outbound transfers comes down to whether the whole file tells one coherent story. Dates that line up. Amounts that reconcile, even roughly. A name on the sale agreement that matches the name on the bank account. Officers reviewing these files are looking for the story to hold together.
Gaps are normal — inherited money from thirty years ago, a business sold in cash before electronic records were routine. Where you can’t produce the original document, an affidavit or a letter from a relevant professional — an attorney or the estate’s executor — filling the gap is far better than silence.
What to do before you need it
Start collecting this paperwork well before the transfer. Sale agreements, estate documents and old payslips have a way of surviving in a drawer somewhere or not surviving at all — and the second kind of gap is much harder to explain after the fact.
This is exactly the territory where a South African tax practitioner or your bank’s own forex compliance team earns their fee — the rules sit at the intersection of SARB, SARS and FICA, and getting the file right the first time is cheaper than a second review.
Our free guide on proof of funds and moving money walks through the exchange control side of this in more detail — a useful companion once your paperwork is in order.