According to Canadian sources, the new DWI laws that recently took effect in Canada allow Canadian police to demand breathalyzer tests from individuals who were reported to have been driving under the influence or erratically up to two hours before the arrival of police. Thus, individuals at their homes, bars, restaurants, etc. could be breathalyzed and potentially arrested for DWI if the police have some reason to believe they were driving recently under a Blood Alcohol reading above the legal limit. This is a significant exposure to anyone dining, partying, or travelling in Canada with a vehicle.

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