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Your Trusted Partner in California’s Workers’ Compensation System Since 1915



WCIRB News and Bulletins

See the latest news about regulatory and advisory pure premium rate filings, releases of WCIRB publications and reports and more.

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View classification phraseologies, footnotes, related rules and approved pure premium rates with the Classification Search tool.


WCIRB member insurers, agents and brokers and other authorized users can access workers’ compensation policy related data and other information.


Claims adjusters and injured workers can gain access to detailed coverage information for policies.


Obtain policyholder payroll and loss experience information by classification and policy year.


Learn about WCIRB data quality programs and rules and requirements for data submission.


Download the latest and recent versions of the Uniform Statistical Reporting Plan and Experience Rating Plan.


The Workers’ Compensation Insurance Rating Bureau of California (WCIRB) is California’s trusted, objective provider of actuarially based information and research, advisory pure premium rates and educational services integral to a healthy workers’ compensation system.