SARS Interest Rates Reference

Figures current at 27 September 2026. Source: TradeAnswers.

The rates
RateCurrentWhere it applies
Interest on underpayment11.75%Tax paid late, including provisional shortfalls
Interest on overpayment7.75%Refunds owed to you, in limited circumstances
Official rate of interest8.25%Fringe benefit on a low-interest employee loan
Prescribed rate, general11.75%Judgment debts and various statutory calculations
How the rates have moved
FromUnderpaymentOverpaymentOfficial rate
202611.75%7.75%8.25%
202511.25%7.25%7.75%
202411.75%7.75%8.75%
202310.50%6.50%8.25%
20227.75%3.75%4.75%
20217.00%3.00%4.50%
What late payment actually costs
Amount owedOne month lateSix months lateTwelve months late
R10,000R98R588R1,175
R50,000R490R2,938R5,875
R100,000R979R5,875R11,750
R250,000R2,448R14,688R29,375

Data maintained by TradeAnswers · updated as the figures change