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Learn Changes to the Multiple Enterprises Rule

Sign up for a free webinar to learn major changes that simplify this rule in the USRP.

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Governor Rescinds Stay-at-Home Order

Certain COVID-19 payroll reporting rules have ended and others will follow.

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New WCIRB Research Report Released

California Workers’ Compensation Aggregate Medical Payment Trends – Updated through Calendar Year 2020

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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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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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