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Due to scheduled maintenance, the WCIRB AnalyticsPortal will be unavailable Friday, June 25, 2021 at 5:00 PM PT through Monday, June 28 at 11:59 PM PT.

President’s Message to the Workers’ Compensation Community

Watch Bill Mudge and his colleagues discuss how the WCIRB embraces human connectedness.

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Insurance Commissioner Issues Decision on Regulatory Filing

The Commissioner approved all of the WCIRB’s proposed changes to the USRP, ERP and Miscellaneous Regulations.

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WCIRB Submits September 1, 2021 Pure Premium Rate Filing to CDI

Watch the webinar recording to learn about the proposed advisory pure premium rates. 

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COVID-19 Resources

See answers to your top questions, rules information and more in one place.


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.

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Information for New WCIRB Members >

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