Correct answer
0.3 grams per litre of blood.
They must not exceed 0.3 grams per litre of blood. The corresponding breath limit is 0.15 milligrams per litre: these are different measurements and units and must not be interchanged. The rule depends on the vehicle category and service, not the number of passengers aboard at that moment. Being below a legal limit does not guarantee safe driving; the safest option when driving is not to consume alcohol.
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0.3 grams per litre of blood.
0.15 grams per litre of blood.
0.5 grams per litre of blood.
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