Note: This page does not reflect the current state of the law.

On June 5, 2025, the Endangered Species Act, 2007 (ESA) was amended by the Protect Ontario by Unleashing our Economy Act, 2025. More information on these amendments can be found on the Environmental Registry of Ontario (notice 025-0380).

The information on these pages is for guidance only and not intended to provide specific legal advice or recommendations. The ESA and its regulations can be found on e-laws.

Questions about how to apply for a permit can be sent to: SAROntario@ontario.ca

Questions on how to register under the ESA can be sent to: ESAReg@ontario.ca .

We recommend you seek appropriate professional advice when contemplating or preparing an application for a permit or a registration.

Policies under the ESA

Documents providing information and interpretation of the Endangered Species Act for land owners, contractors, and the general public. Outlines the broad requirements of the act, roles and responsibilities, and policy guidance

Permits and agreements

Documents outlining Endangered Species Act permitting requirements, checklists, and application forms for landowners, researchers, contractors, and consultants that are undertaking projects that may impact species at risk and their habitats

Guidance documents

Information to help proponents make the right decisions when planning or implementing projects that may impact species at risk or their habitat. Activities may include building and road construction, wind power projects, bat exclusion, and species monitoring

Best Management Practices

MNRF published documents outlining best practices for various projects and situations, such as waterpower, mineral exploration, and tourism activities