Deductions from wages – Ontario Canada

Employers in Ontario Canada can not deduct employee (driver or otherwise) pay for accident / faulty work.

Even with a signed authorization, an employer cannot make a deduction from wages if:

• the purpose is to cover a loss due to “faulty work.” For example, “faulty work” could be a mistake in a credit card transaction, work that is spoiled or rejected, or a situation where tools are broken or employer vehicles damaged while on employer business;

https://www.ontario.ca/document/your-guide-employment-standards-act-0/payment-wages