A Guide to the Substitute Decisions Act


Key Questions: What is the Substitute Decisions Act? What does it include?

The Substitute Decisions Act  (SDA) was passed unanimously by the Ontario Legislature in December 1992 after many years of study and public consultation. The law came into force on April 3, 1995. Amendments to the law came into force on March 29, 1996, upon proclamation of the Advocacy, Consent and Substitute Decisions Statute Law Amendments Act, 1995, which repealed the Advocacy Act, made amendments to the SDA, and replaced the Consent to Treatment Act with the Health Care Consent ActThis Guide has been created especially for caregivers, advocates, nurses, doctors, agency and association staff and other interested individuals, to promote a clear understanding of what the Act covers and how it works. The Guide provides a summary of the main points of the legislation.


  • Introduction to the Guide
  • The Substitute Decisions Act
  • Some Important Definitions
  • Decisions About Property
  • A Guardian of Property
  • Decisions About Personal Care
  • A Guardian of the Person
  • Conclusion
Contact Person/Organization: 

Ontario Government

Type of Tool:

Publication Date: 

Are you a Substitute Decision Maker?