* 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.
Alcohol-related unreliability and serious criminal offences, such as aggravated assault and drug-related offences, can also lead to your driver's licence being revoked.
A driver whose licence has been revoked for longer than 12 months must pass a new driving test (both theory and practical) before a new licence can be issued.
A driver whose licence is revoked during the probation period must also pass a new driving test.
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