A “Catastrophic” Upheaval

The rules for properly calculating “whole person impairment” (WPI) ratings in accordance with the important definition of “catastrophic impairment” in the Ontario Statutory Accident Benefits Schedule (SABS) are now up in the air following the decision in Kusnierz v. Economical Mutual Insurance Co., 2010 ONSC 5749 (S.C.J.).

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