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WCIRB Releases Study on Chronic Opioid Use

Using medical transaction data and unit statistical reports, the Study focuses on the cost implications of chronic opioid use in California's workers' compensation.

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2019 Experience Rating Plan Changes

Learn about the new, simplifed experience rating formula.

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WCIRB and IIABCal Webinar Series - Register now

Learn about ownership, experience rating and classification through our free webinars.

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WCIRB Mod Talks Webinars

Sign up to attend our webinars covering the 2019 Experience Rating Plan changes. 

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About The WCIRB

The 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 >