The order of calculation
- Customs value. Normally the transaction value of the goods, brought to the customs valuation basis your declaration uses. Your clearing agent will confirm which elements of freight and insurance are included for your terms of sale.
- Customs duty. Customs value × the rate for your tariff heading. Trade agreements and rebates can reduce or remove it, which then affects the VAT base.
- Added tax value (ATV). Customs value plus an uplift — 10% for goods imported from outside the BLNS countries — plus non-rebated duty.
- Import VAT. The standard rate, applied to the ATV. Because of the uplift, VAT is always higher than a naive calculation on invoice value suggests.
- Clearing and delivery. Agent fees, port and terminal handling, documentation, cargo dues, storage and inland transport from Durban, Cape Town or Gqeberha.
The uplift, plainly
If your customs value is R500,000 and duty is R50,000, the added tax value is R500,000 + R50,000 uplift-adjusted — specifically R550,000 uplifted value plus non-rebated duty of R50,000, giving R600,000. VAT at 15% is R90,000, not the R75,000 you would get from 15% of the customs value. That R15,000 gap is entirely the uplift, and it is cash you finance before the goods sell.
Where importers get caught
- Applying VAT to the invoice. It is the single most common costing error in South African importing.
- Forgetting the BLNS distinction. The 10% uplift does not apply to goods imported from Botswana, Lesotho, Namibia and Eswatini. Origin changes the arithmetic.
- Rebated duty in the VAT base. Only non-rebated duty belongs in the ATV. A rebate reduces both duty and VAT.
- Treating VAT as a cost when you are a registered vendor. It is usually recoverable — but it is always a cash-flow cost, and TrueCost shows it as such.
- Cargo dues and storage. Transnet charges and container detention are landed costs, not overheads.
Verify before you commit
Confirm your tariff heading, duty rate, rebate eligibility and the current VAT rate with SARS or your clearing agent, record the source and the date you checked, and enter those figures. The South Africa preset in TrueCost pre-fills the 10% uplift and the standard VAT rate, and every one of those values is editable.