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2021 Plans and Manual Now Available

On August 28, 2020, the California Insurance Commissioner approved changes to 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). These changes are effective January 1, 2021.


The 2021 versions of these publications, along with the advisory California Basic Underwriting Manual, are now available in the Filings and Plans section of the Workers’ Compensation Insurance Rating Bureau of California (WCIRB) website and at the links below.


Insurance Commissioner’s Regulations Effective January 1, 2021:

Classification Search

The Classification Search tool on is also being updated and should be available within the next few weeks to reflect new and revised classifications effective January 1, 2021. Users can search classifications by keyword or classification code and view current classification phraseologies, footnotes and related USRP rules. The Classification Search also provides the prior year’s phraseology for comparison, which is at the bottom of each classification’s Detail Record page in the Prior Phraseology and Footnote section. To access the Classification Search, visit the Learning Center section of the WCIRB website or go to the following link:

Related Information

Wire story: Commissioner Issues Decision on January 1, 2021 Regulatory Filing
2021 USRP and ERP Changes Quick Reference Guide
2021 Experience Modification Estimator


September 25, 2020