In the case of a single speeding violation, your driver's licence is usually revoked if you have driven more than 30 km/h above the speed limit. On roads where a 30 km/h speed limit applies, you risk a revoked driver's licence if you drive more than 20 km/h above the limit.
In the event of repeated speeding offences, your driver's licence can be revoked at even lower speed violations.
Fines for speeding on 30 and 50 km/h roads: