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September 1, 2021 Plans and Manual Now Available

On May 7, 2021, 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 September 1, 2021. 

The September 1, 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.

Classification Search
The Classification Search tool on will be updated to reflect the new and revised classifications approximately 30 days prior to the September 1, 2021 effective date to minimize the risk of confusion. 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 September 1, 2021 Regulatory Filing
September 1, 2021 USRP, ERP and Miscellaneous Regulations Changes Quick Reference Guide
September 1, 2021 Experience Modification Estimator


May 26, 2021