Skip to Content

WCIRB Submits September 1, 2021 Regulatory Filing

The filing contains the WCIRB’s proposed changes to the California regulations.


Analysis of California's Drug Formulary

The WCIRB looks at the two-year impact of California’s evidence-based drug formulary.

Read the Research Brief

WCIRB Launches COVID-19 Resources Page

See answers to your top questions, rules information and more in one place.


WCIRB CompEssentials®

Earn CompEssentials certification through online courses.

Learn More

What Do You Want To Do?

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.

Learn more about the WCIRB >

Information for New WCIRB Members >

Join our team! Learn more about WCIRB career opportunities >