What Changed in Ontario Health & Safety Law
A dated record of Ontario health and safety changes that affect employers, with a plain-language summary and the guide that explains what to do about it. Newest first.
- Legislation
Proposed Occupational Exposure Registry (Bill 105)
Bill 105, introduced in April 2026, would let the Chief Prevention Officer build and maintain a worker Occupational Exposure Registry and collect exposure information directly from workers. It is not in force yet, but employers in mining, manufacturing, healthcare and trades should start capturing exposure records now.
Read the guide → - Enforcement
Ministry compliance campaigns for 2026-2027
Ontario's labour ministry runs focused inspection campaigns each year on specific hazards and sectors. Knowing the current campaign focus tells you which records an inspector is most likely to request.
Read the guide → - Legislation
Washroom cleaning record requirements
Construction sites now need documented washroom cleaning records. It is a small requirement that produces a very common inspection finding because nobody owns the log.
Read the guide → - Program
Construction AED requirements in force
Construction projects with 20 or more workers expected to last at least three months must provide and maintain an accessible AED, with at least one worker trained in CPR and AED use on site.
Read the guide → - Legislation
OHSA administrative monetary penalties take effect
The Working for Workers Seven Act, 2025 created an administrative monetary penalty framework under the OHSA, in force since January 1, 2026. Penalties are direct and quantified, which changes the cost of an unresolved finding.
Read the guide → - Legislation
Working for Workers Seven Act, 2025 receives Royal Assent
Royal Assent on November 27, 2025 set up the OHSA penalty framework and related changes that employers had to operationalize in the following months.
Read the guide →
Summaries are written for general information and are not legal advice. Always confirm current requirements against ontario.ca and the applicable regulation before making compliance decisions.
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