Filings and Plans

The WCIRB is California's trusted, objective provider of advisory pure premium rates and resources integral to a healthy workers' compensation system. Here you'll find regulatory and pure premium rate filing information as well as publications that can answer many questions relating to workers' compensation insurance in California.

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USRP, ERP and Miscellaneous Regulations

Access the current and recent versions of the California Workers' Compensation Uniform Statistical Reporting Plan—1995 (USRP), California Workers' Compensation Experience Rating Plan—1995 (ERP) and Miscellaneous Regulations for the Recording and Reporting of Data—1995 (Miscellaneous Regulations).

Regulatory and Pure Premium Rate Filings

As the designated statistical agent of the California Insurance Commissioner, the WCIRB proposes changes to the Insurance Commissioner's workers' compensation regulations and the advisory pure premium rates. Visit this page to view recent WCIRB regulatory and pure premium rate filings and associated documents.

WCIRB Advisory Plans and References

Access advisory publications produced by the WCIRB that are provided as a service to WCIRB members, including the California Basic Underwriting Manual and the California Retrospective Rating Plan. These publications are not approved by the Insurance Commissioner.