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AI regulation in Ontario (Canada)

Source-linked · checked 11 Sep 2026 2 instruments · 2 binding

Overview

Ontario enacted the Enhancing Digital Security and Trust Act, 2024 (Bill 194), which lets the government regulate public-sector use of AI (disclosure, accountability frameworks, risk management, prohibited uses) and the Working for Workers Four Act, 2024, which from 1 January 2026 requires employers with 25 or more employees to state in publicly advertised job postings whether AI is used to screen, assess or select applicants.

What is the current regulatory status?

Public-sector AI framework act (2024) with regulations to follow; job-posting AI disclosure in force from January 2026.

Binding rules versus guidance

Binding: Ontario Enhancing Digital Security and Trust Act, 2024 (Bill 194); Ontario Working for Workers Four Act (AI disclosure in job postings). Strategy or guidance: none recorded.

Key policy instruments

Ontario (Canada) Act / statute Adopted Binding

Ontario Enhancing Digital Security and Trust Act, 2024 (Bill 194)

Strengthening Cyber Security and Building Trust in the Public Sector Act, 2024 (Bill 194), Schedule 1: Enhancing Digital Security and Trust Act, 2024

The Act allows the Ontario government to make regulations governing the use of AI systems by public-sector entities (ministries, agencies, hospitals, school boards, municipalities as prescribed): requirements to disclose AI use, to develop and implement accountability frameworks, to take steps to manage risks, to have human oversight, and prohibitions on prescribed uses. It also addresses cyber security and children's digital information.

Adopted 25 Nov 2024 Source-linked · checked 11 Sep 2026 Official source
Ontario (Canada) Act / statute In force Binding

Ontario Working for Workers Four Act (AI disclosure in job postings)

Working for Workers Four Act, 2024 (Bill 149): disclosure of artificial intelligence use in publicly advertised job postings

Amends the Employment Standards Act, 2000 to require employers with 25 or more employees to disclose in every publicly advertised job posting whether artificial intelligence is used to screen, assess or select applicants, alongside new rules on salary ranges and Canadian-experience requirements. The AI disclosure requirement is in force from 1 January 2026.

Applies from 1 Jan 2026 Source-linked · checked 11 Sep 2026 Official source

Upcoming deadlines

No scheduled future dates recorded. Past milestones are listed on each policy page.

Latest changes

Applicable sectors, use cases and obligation areas

Obligation areas

How to use this information

  1. Open the official source on each instrument before relying on any date or obligation.
  2. Treat strategies and guidance as signals of coming regulation, not as binding requirements.
  3. Check data-protection, consumer, employment and sector law that applies to AI systems regardless of AI-specific instruments.

Official government and regulator sources

  1. Bill 194, Strengthening Cyber Security and Building Trust in the Public Sector Act, 2024
    Legislative Assembly of Ontario · 2024-11-25 · Tier 1 source

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Informational only, not legal advice. Verify every claim against the linked official sources and consult qualified counsel before acting.