The Workers’ Compensation Insurance Rating Bureau of California has released its updated experience modification estimator, which is based on the experience rating values approved by the insurance commissioner as part of the Sept. 1, 2026, regulatory rate filing.
Insurers, agents and brokers use the estimator to evaluate payroll and claims that could affect a policyholder’s experience modification on or after Sept. 1, 2026.
Users can input payroll, classification and claims data to calculate estimated X-mods based on approved values from the Californ...
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