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Class 4 Commercial Driver Practice · Question

When must a Class 4 driver renew their medical certificate to maintain their licence?

Class 4 licence holders are generally required to undergo medical examinations and renew their medical certificates periodically (e.g., every five years, and mo

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Question: When must a Class 4 driver renew their medical certificate to maintain their licence?

Answer options:

  • Every 10 years, regardless of age.
  • Annually, once they reach 45 years of age. ✅ Every 5 years, or more frequently as required by their physician or regulator.
  • Only if they have a new medical condition that could affect driving.

Correct answer: Every 5 years, or more frequently as required by their physician or regulator.

Explanation: Class 4 licence holders are generally required to undergo medical examinations and renew their medical certificates periodically (e.g., every five years, and more frequently with age or certain medical conditions), as stipulated by provincial regulations.

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