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Driving under the influence of intoxicating liquor or of any drug

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Written by
Kristina Kothrakis
Criminal Defence Lawyer

Contact Kristina Kothrakis 

03 9670 5111


Driving - Drink Driving Offences - VIC
The Law - Driving under the influence of intoxicating liquor or of any drug

What the Law states - Driving under the influence of intoxicating liquor or of any drug


Road Safety Act 1986 - SECT 49

Offences involving alcohol or other drugs

49. Offences involving alcohol or other drugs

(1) A person is guilty of an offence if he or she-

(a) drives a motor vehicle or is in charge of a motor vehicle while under the influence of intoxicating liquor or of any drug to such an extent as to be incapable of having proper control of the motor vehicle.

Maximum Penalty for the charge of Driving under the influence of intoxicating liquor or of any drug


First offence: 3 months / 25 penalty units

Second offence: 12 months / 120 penalty units

Subsequent offence: 18 months / 180 penalty units

Note: A person who is guilty of an accompanying driver offence is liable to a fine of not more than 5 penalty units.

What the Prosecution must prove - Driving under the influence of intoxicating liquor or of any drug


(a) The accused was driving or was in charge of the motor vehicle.

(b) The accused was under the influence of intoxicating liquor or any drug, and, as a result was incapable of having proper control of the motor vehicle.

Street names Driving under the influence of intoxicating liquor or of any drug


Driving under influence, driving impaired

Possible Defences - Driving under the influence of intoxicating liquor or of any drug


(a) Factual dispute.

(b) The breath analysing instrument used was not in proper working order or properly operated (s49(4)).

(c) The drug analysing instrument used was not in proper working order or not properly operated.

Which court will hear the charge of Driving under the influence of intoxicating liquor or of any drug



Magistrates' Court.

If found not guilty of this offence, it is possible to be found guilty of driving or being in charge of a motor vehicle while being impaired by a drug (s49(1(ba))) or driving or being in charge of a motor vehicle while having the prescribed concentration of drugs or more present in blood or oral fluid (s49(1(bb))).

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