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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.



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Expanded List of Occupations, Section 14, PTSD Presumption for First RespondersNEW

June 13, 2018

2017 WSIAT Annual Report Now Available NEW

May 9, 2018

Two Datasets Now Available for Download

March 23, 2018

Appeals of Decisions Reducing NEL Awards due to a Pre-Existing Condition

February 8, 2018

Mental Stress Appeals at the WSIAT

January 18, 2018

# Announcements Archive

Highlights of Noteworthy Decisions

Decision No. 2246 16 R

Status of surveillance evidence in the Case Record.

Decision No. 250 18

Whether costs of a claim should be transferred from the accident employer to another employer.

Decision No. 606 18

Whether a construction employer was entitled to relief from premium assessments for an executive officer who was deemed to be a worker.

Decision No. 3775 17

Whether the nature of a worker's work after he became a deemed worker contributed significantly to the worker's disablement.

Decision No. 178 18

Whether the lay-off of a worker in seasonal employment was a temporary lay-off or a termination of employment.

Decision No. 3587 17

Determination of the appropriate chapter in the AMA Guides for which to rate a bladder condition.

Decision No. 545 18

Whether to dismiss an appeal as an abuse of process.

Decision No. 2780 16

Extension of the recalculation period for determination of a worker's long-term earnings basis.

Decision No. 1334 17

Binding nature of decisions based on mediated agreements.

Decision No. 2691 08 R

Exceptional circumstances making it advisable to reconsider a decision, on an application by the Board.

View more recent noteworthy decisions...


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