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WCIRB Takes Key Steps Toward Straight Through Processing

Learn how we are transforming the way we exchange policy, USR and experience rating data.

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The WCIRB Classification Inspection Report has a New Look

A modern, easy to read, approach that clearly highlights all essential information and data.

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The 2017 WCIRB Geo Study Released

The study examines differences in the costs of claims among California regions.

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Now Available – WCIRB CompEssentials: Experience Rating Fundamentals

Get essential online training on experience rating basics.

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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 >