Regulatory and pure premium rate filings are organized on this website according to the effective date of the filing. Use the links below to review, download or print documents associated with recent WCIRB regulatory and pure premium rate filings.
September 1, 2025
These WCIRB Regulatory Filings, WCIRB Pure Premium Rate Filings and related WCIRB Filing documents are copyrighted, and copies of these Filings and documents can be made only for purposes of facilitating workers' compensation insurance. The WCIRB Regulatory Filing includes changes to the regulatory manuals and advisory plans.
Filings and Related Documents
Regulatory Filing
These WCIRB Regulatory Filings, and WCIRB Pure Premium Rate Filings and related WCIRB Filing documents are copyrighted, and copies of these Filings and documents can be made only for purposes of facilitating workers' compensation insurance. The WCIRB Regulatory Filing includes changes to the regulatory manuals and advisory plans.
Decision and Related Documents
Regulatory Filing
- Insurance Commissioner's Decision
- WCIRB Bulletin 2024-08 WCIRB September 1, 2024 Regulatory Filing Decision
- September 1, 2024 Regulatory Filing Quick Reference Guide: USRP and ERP Changes
Pure Premium Rate Filing
Approved Rating Plan Values
- Classification Relativity Review Sheets XLS, PDF, Product Documentation
- Expected Loss Rates and Full Coverage D-Ratios XLS
- Primary Threshold XLS
Approved Pure Premium Rates
- Advisory Pure Premium Rates: XLS File | Delimited File
- WCRATE File: Delimited File | Product Documentation
Filings and Related Documents
Regulatory Filing
- WCIRB Regulatory Filing (Corrected)
- WCIRB Bulletin 2024-03 WCIRB September 1, 2024 Regulatory Filing
- WCIRB Bulletin 2024-04 WCIRB September 1, 2024 Regulatory Filing
- Notice of Proposed Action and Notice of Public Hearing
Pure Premium Rate Filing
- WCIRB Pure Premium Rate Filing
- September 1, 2024 Pure Premium Rate Filing Exhibits – Section B, Exhibits 1-8: December 31, 2023 Loss Experience Analysis – XLS File
- WCIRB Bulletin 2024-06 WCIRB September 1, 2024 Pure Premium Rate Filing
- Proposed September 1, 2024 Advisory Pure Premium Rates – XLS File | Delimited File
- WCRATE File: Delimited File | Product Documentation
- Notice of Proposed Action and Notice of Public Hearing
- Presentation – June 6, 2024 Pure Premium Rate Filing Hearing
These WCIRB Regulatory Filing and WCIRB Pure Premium Rate Filing are copyrighted, and copies of these Filings can be made only for purposes of facilitating workers' compensation insurance. The WCIRB Regulatory Filing includes changes to the regulatory manuals and advisory plans.
Decision and Related Documents
Regulatory Filing
- Insurance Commissioner's Decision
- WCIRB Bulletin 2023-07 WCIRB September 1, 2023 Regulatory Filing Decision
- September 1, 2023 Regulatory Filing Quick Reference Guide: USRP and ERP Changes
Pure Premium Rate Filing
- Insurance Commissioner's Decision
- WCIRB Bulletin 2023-09 WCIRB September 1, 2023 Pure Premium Rate Filing Decision
Approved Rating Plan Values
- Classification Relativity Review Sheets XLS, PDF, Product Documentation
- Expected Loss Rates and Full Coverage D-Ratios XLS
- Primary Threshold XLS
Approved Pure Premium Rates
- Advisory Pure Premium Rates: XLS File | Delimited File
- WCRATE File: Delimited File | Product Documentation
Filings and Related Documents
Regulatory Filing
- WCIRB Regulatory Filing
- WCIRB Bulletin 2023-03 WCIRB September 1, 2023 Regulatory Filing
- Notice of Proposed Action and Notice of Public Hearing
Pure Premium Rate Filing
- WCIRB Pure Premium Rate Filing
- September 1, 2023 Pure Premium Rate Filing Exhibits – Section B, Exhibits 1-8: December 31, 2022 Loss Experience Analysis – XLS File
- WCIRB Bulletin 2023-05 WCIRB September 1, 2023 Pure Premium Rate Filing
- Proposed September 1, 2023 Advisory Pure Premium Rates – XLS File
- Proposed Version of WCRATE File: Delimited File | Companion Documentation
- Notice of Proposed Action and Notice of Public Hearing
- Presentation – June 7, 2023 Pure Premium Rate Filing Hearing
These WCIRB Regulatory Filing and WCIRB Pure Premium Rate Filing are copyrighted, and copies of these Filings can be made only for purposes of facilitating workers' compensation insurance. The WCIRB Regulatory Filing includes changes to the regulatory manuals and advisory plans.
Decision and Related Documents
Regulatory Filing
- Insurance Commissioner's Decision
- WCIRB Bulletin 2022-07 WCIRB September 1, 2022 Regulatory Filing Decision
Pure Premium Rate Filing
- Insurance Commissioner’s Decision
- Insurance Commissioner’s Letter Regarding Decision
- WCIRB Bulletin 2022-11 WCIRB September 1, 2022 Pure Premium Rate Filing Decision
Approved Rating Plan Values
- Classification Relativity Review Sheets XLS, PDF, Product Documentation
- Expected Loss Rates and Full Coverage D-Ratios XLS
- Primary Threshold XLS
Approved Pure Premium Rates
- Advisory Pure Premium Rates: XLS File | Delimited File
- WCRATE File: Delimited File | Product Documentation
Filings and Related Documents
Regulatory Filing
- WCIRB Regulatory Filing
- WCIRB Bulletin 2022-03 WCIRB September 1, 2022 Regulatory Filing
- Notice of Proposed Action and Notice of Public Hearing
Pure Premium Rate Filing
- WCIRB Pure Premium Rate Filing
- September 1, 2022 Pure Premium Rate Filing Exhibits – Section B, Exhibits 1-8: December 31, 2021 Loss Experience Analysis - XLS File
- WCIRB Bulletin 2022-05 WCIRB September 1, 2022 Pure Premium Rate Filing
- Proposed September 1, 2022 Advisory Pure Premium Rates – XLS File
- Notice of Proposed Action and Notice of Public Hearing
- Presentation – June 14, 2022 Pure Premium Rate Filing Hearing
These WCIRB Regulatory Filing and WCIRB Pure Premium Rate Filing are copyrighted, and copies of these Filings can be made only for purposes of facilitating workers' compensation insurance. The WCIRB Regulatory Filing includes changes to the regulatory manuals and advisory plans.
Decision and Related Documents
Regulatory Filing
Pure Premium Rate Filing
Approved Rating Plan Values
- Classification Relativity Review Sheets XLS, PDF, Product Documentation
- Expected Loss Rates and Full Coverage D-Ratios XLS
- Primary Threshold XLS
Approved Pure Premium Rates
- Advisory Pure Premium Rates: XLS File | Delimited File
- WCRATE (classification wording and pure premium rates): Delimited File | Product Documentation
Filings and Related Documents
Regulatory Filing
Pure Premium Rate Filing
- WCIRB Pure Premium Rate Filing
- September 1, 2021 Pure Premium Rate Filing Exhibits – Section B, Exhibits 1-8: December 31, 2020 Loss Experience Analysis - XLS File
- Proposed September 1, 2021 Advisory Pure Premium Rates – XLS File
- Notice of Proposed Action and Notice of Public Hearing
- Presentation – June 7, 2021 Pure Premium Rate Hearing
- Notice of Close of Record for September 1, 2021 Pure Premium Rate Filing
Watch: Overview of WCIRB’s September 1, 2021 Pure Premium Rate Filing
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Watch: WCIRB Cost Evaluation of New Medical Fee Schedules
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These WCIRB Regulatory Filing and WCIRB Pure Premium Rate Filing are copyrighted, and copies of these Filings can be made only for purposes of facilitating workers' compensation insurance. The WCIRB Regulatory Filing includes changes to the regulatory manuals and advisory plans.
Decision and Related Documents
Regulatory Filing
Pure Premium Rate Filing
- Insurance Commissioner’s Decision
- California Department of Insurance Proposed Decision and Order
- Table of COVID-19 Additive Adjustments by Classification from CDI Proposed Decision – Not Approved by Insurance Commissioner
Approved Rating Plan Values
- Classification Relativity Review Sheets XLS, PDF, Product Documentation
- Expected Loss Rates and Full Coverage D-Ratios XLS
- Primary Threshold XLS
Approved Pure Premium Rates
- Advisory Pure Premium Rates: XLS File | Delimited File
- WCRATE (classification wording and pure premium rates): Delimited File | Product Documentation
Filings and Related Documents
Regulatory Filing
Pure Premium Rate Filing
- WCIRB Pure Premium Rate Filing
- January 1, 2021 Pure Premium Rate Filing Exhibits – Section B, Exhibits 1-8: March 31, 2020 Loss Experience Analysis - XLS File
- Notice of Proposed Action and Notice of Public Hearing
- Presentation – October 5, 2020 Pure Premium Rate Hearing
- Notice of Close of Record for January 1, 2021 Pure Premium Rate Filing
- Amendments to the January 1, 2021 Pure Premium Rate Filing
- Amended Proposed January 1, 2021 Advisory Pure Premium Rates - XLS File
- Proposed January 1, 2021 Advisory Pure Premium Rates – Excluding COVID-19 Additive Adjustments
- Table of COVID-19 Additive Adjustments by Classification – WCIRB Proposed