On November 9th, Insurance Commissioner Steve Poizner approved the following changes effective January 1, 2010 to the California Workers' Compensation Experience Rating Plan (ERP):
• Expected Loss Rates (ELR) have been enhanced to reflect current statewide trends within the North American Industrial Classification System
• The Experience Rating formula has been modified to utilize a "single split" approach to segregate claims into their primary and excess components
• The ERP credibility values ("B" and "W") have been revised
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