“official rate of interest” means-

(a)     in the case of a debt which is denominated in the currency of the Republic, a rate of interest equal to the South African repurchase rate plus 100 basis points; or

(b)     in the case of a debt which is denominated in any other currency, a rate of interest that is the equivalent of the South African repurchase rate applicable in that currency plus 100 basis points:

Provided that where a new repurchase rate or equivalent rate is determined, the new rate of interest applies for the purposes of this definition from the first day of the month following the date on which that new repurchase rate or equivalent rate came into operation;

[Definition of “official rate of interest” inserted by section 2 of Act 17 of 2017 and substituted by section 1 of Act 23 of 2018 effective on 17 January 2019]