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Why Reporting Payroll is Necessary

Having accurate payroll data is necessary because it is the basis for the policyholder’s insurance premium and its experience modification.

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Classification Insight: Equity-Based Compensation

Learn about the amended payroll reporting rules related to IPOs and stock options.

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Ownership and Experience Rating Online Course

Learn the fundamentals of workers' compensation insurance through our online training program, CompEssentials®.

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Join Our Team

Learn more about the job opportunities available at the WCIRB.

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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.

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Information for New WCIRB Members >

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