This message is displayed because client-side scripting is turned off or not supported in the browser you are currently using.
Please turn on client-side scripting or install a browser that supports client-side scripting.

Ontario Government | Ministry of Labour | Site Map | Accessibility | text resize: A A A

Home | About Us | OWT Library | Forms | Practice Directions | Decision Search | Contact Us | Français

Established in 1985, the Workplace Safety and Insurance Appeals Tribunal (WSIAT) is the final level of appeal to which workers and employers may bring disputes concerning workplace safety and insurance matters in Ontario. WSIAT has always been separate from and independent of the Workplace Safety and Insurance Board.



Appeal Process

For Representatives

Finding a Representative

Documents & Publications

Legal/Medical Resources

Popular Topics

Links to Other Agencies


Tips for an Electronic WSIAT HearingNEW

July 30, 2020

Tribute to Ian J. Stachan, Tribunal Chair 1997-2016NEW

July 29, 2020

Return of In-Person HearingsNEW

July 16, 2020

Workplace Safety and Insurance Appeals Tribunal 2019 Annual ReportNEW

July 10, 2020

Important Notice: Letter to Stakeholders – WSIAT Covid-19 NEW

June 16, 2020

Workplace Safety and Insurance Appeals Tribunal (WSIAT)
COVID-19 Interim Practice Guideline – Objections to Alternative Hearing Methods - Revised June 15, 2020

June 15, 2020

Workplace Safety and Insurance Appeals Tribunal (WSIAT)
Adjudication Update Q and A – Revised June 15, 2020

June 15, 2020

Best Practices: Teleconference and Videoconference
Hearing Information for Representatives and Parties – Revised June 15, 2020

June 15, 2020

Stakeholder Meeting Summary – April 21, 2020

May 25, 2020

Important Notice:
WSIAT Operations during COVID-19 – April 2, 2020 Update

April 2, 2020

WSIAT Donates Supply of N95 Masks to Mount Sinai Hospital

March 27, 2020

WSIAT Chair Appointment

February 7, 2020

In-Person Information Session for WSIAT Stakeholders:
February 11, 2020, 4:00 – 5:30 p.m.

January 21, 2020

# Announcements Archive

Highlights of Noteworthy Decisions

Decision No. 3247 18 R

Whether a decision gave sufficient reasons regarding consideration of evidence.

Decision No. 323 20

Whether an employer was entitled to retroactive adjustment of its experience rating account to reflect SIEF relief.

Decision No. 207 20

Whether to refer a claim for mental stress back to the Board.

Decision No. 2041 19

Whether to use the matrix or the 50% SIEF relief provision in the Board's SIEF policy.

Decision No. 1876 17 R2

Determination of pre-injury and post-injury earnings of a volunteer firefighter.

Decision No. 1266 18

Impact of older worker option on the identified SO.

Decision No. 2237 19

Whether to transfer the costs of a claim to the property manager or maintenance company where an accident occurred.

Decision No. 233 20

Whether an employer breached its re-employment obligations when it terminated a worker's employment, and whether the worker was entitled to LOE benefits following the termination.

Decision No. 166 20

A recent decision on pre-existing conditions and pre-accident disabilities under the SIEF policy

Decision No. 1330 18 R

Determination of the arrears date for an independent living allowance.

View more recent noteworthy decisions...


 RSS Receive WSIAT news using RSS.

[Back to Top]