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2022 X-Mod Estimator Now Available

Understand how payroll and claims experience will affect the computation of an experience modification. 

Use the Estimator

Insurance Commissioner Issues Decision on Regulatory Filing

The proposed amendments to sunset the exclusion of COVID-19 claims in the ERP were not approved.

Learn Changes

President’s Message to the CA Workers’ Comp Community

Watch Bill Mudge and his colleagues discuss how the WCIRB is recharging relationships with our customers.

Watch Video

WCIRB Submits September 1, 2022 Pure Premium Rate Filing to CDI

Register for the webinar to learn about the proposed advisory pure premium rates. 

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WCIRB CompEssentials®

Earn CompEssentials certification through online courses.

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About The WCIRB

The Workers' Compensation Insurance Rating Bureau of California® (WCIRB) is California’s trusted, objective provider of actuarially-based research integral to a healthy workers’ compensation system.

We provide tools to help licensed agents and brokers serve their clients, and educational resources for employers to better understand California’s workers’ compensation system.

Learn more about the WCIRB >

Information for new WCIRB members >

Join our team! Learn more about WCIRB career opportunities >

Contact the WCIRB >