A driver
a) can drive a vehicle after consuming alcohol or an addictive substance in such time when alcohol or other addictive substance can still be in his organism, if the road traffic situation allows it, mainly at night,
b) can drive a vehicle not more than 30 minutes after the alcohol consumption,
c) must not drive a vehicle after the consumption of alcohol or other addictive substance in such time when alcohol or other addictive substance can still be in his organism.
