Cannabis Impaired Driving Law Canada

Cannabis-impaired driving and per se limits post-legalization By Michelle Johal


Drug-impaired driving has been a criminal offence for many decades. What is new are the offences relating to blood-drug concentration limits for cannabis and the cannabis/alcohol combination.

Part 1 of Bill C-46 introduced a number of amendments to the Criminal Code in response to the legalization of cannabis in Canada. Part 2 of Bill C-46 replaced all the old driving provisions of the Criminal Code with an entirely new scheme. As a result, sections 249-261 of the Criminal Code have been repealed.[1]

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Impaired Driving Laws Canada

Canada’s New Impaired Driving Laws – a Primer – By Michelle Johal, Criminal Lawyer

Unless you have been living under a rock you have likely heard that as of December 18, 2018 the law changed dramatically as it relates Criminal Code drinking and driving offences.

On that date the “old” drinking and driving offences were repealed and replaced with “new” drinking and driving offences. But what does that actually mean? How are the new provisions different from the old ones? What has actually changed?

First of all, and what has clearly been the subject of much discussion in the media as of late, is that new police powers have been created.

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Charter of Rights and Freedoms

The Right to Choose – Counsel of Choice and Recent Developments pursuant to s. 10(b) of the Charter of Rights and Freedoms By Michelle Johal

Background- Appellate authorities and Counsel of Choice

 Appellate authorities establish that an accused in custody has the right to speak to a lawyer that he or she chooses and the police are obliged to make reasonable efforts to assist him or her to contact counsel of choice.  What efforts are reasonable is highly fact specific and Ontario appellate cases suggest that often times good-faith perfunctory efforts by police are viewed as adequate to fulfill their constitutional obligations.

The police do not have to “hold off” indefinitely for a detainee to speak to whatever lawyer the detainee wishes.  The availability of duty counsel is, since Prosper[1], an important circumstance courts must consider in weighing what efforts police should make in the middle of the night where there is some need for dispatch to take breath samples and for how long they must “hold off” in taking breath samples.

A distillation of the appellate authorities can be found at: R. v. Willier[2], especially paras 33-4; R. v. Kumarasamy[3], and R. v. Blackett[4], especially at paras. 20-25.

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