Ontario's zero-cannabis-tolerance rule for driving applies to which drivers, regardless of what licence class they hold?

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Correct answer: D. Anyone 21 or under, regardless of licence class

The government's cannabis-and-driving page states zero tolerance applies to anyone who is "21 or under" — a straightforward age threshold that applies on top of, and separately from, the zero-tolerance rule tied to holding a G1, G2, M1, or M2 licence. A driver could be over G2 and hold a full licence, but if they're 21 or under, the zero-tolerance rule still applies.

Source: MTO Driver's Handbook: Cannabis and driving — zero-tolerance age threshold

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Study the rules first in the Your Licence & Penalties guide, or browse all free G1 questions.