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WCIRB Bulletins

WCIRB Bulletins are announcements from the WCIRB for the current year. You may use the drop-down menu to view WCIRB Bulletins for the past two years. We recommend using the most current version of Adobe Acrobat Reader to view these documents. You may order WCIRB Bulletins issued prior to the past two years on the Research, Data and Publications page. Additionally, you may subscribe to receive copies of current Bulletins as they are released by signing up for WCIRB Email Alerts.

Visit the WCIRB Bulletins of Continuing Interest page to view past WCIRB Bulletins covering workers' compensation issues and information of ongoing interest to WCIRB members.

2020-09 Coronavirus Disease – 2019 (COVID-19) Claim Reporting Requirements

The WCIO has established a Catastrophe Number and added a Nature of Injury Code and a Cause of Injury Code to track claims involving a diagnosis of COVID-19 with Accident Dates on or after December 1, 2019.
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2020-08 July 1, 2020 Revision to the WCIRB Premium Audit Accuracy Program

The WCIRB is revising its WCIRB Premium Audit Accuracy Program to establish timeliness standards for insurers to fully respond to WCIRB inquiries regarding USR data that may significantly affect ratemaking data.
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2020-06 Obtaining Coverage Information from the WCIRB

This bulletin highlights the various ways workers' compensation insurance coverage information can be obtained through the WCIRB.
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2020-05 Notice of Format Change to the 2020 Annual Meeting of the WCIRB Membership

Due to concerns over the coronavirus (COVID-19), the WCIRB Annual Meeting of its Membership will be held via webinar.
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2020-04 2020 Terrorism Risk Insurance Data Call

As in the past several years, the NAIC requested that the WCIRB submit, on the industry's behalf, insurer-specific California workers' compensation terrorism exposure data, including policy counts, payroll and terrorism premium information by March 1, 2020.
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2020-03 WCIRB File Transfer Protocol Support Policy Update

The WCIRB is adjusting its File Transfer Protocol (FTP) standard.
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2020-02 Notice of the 2020 Annual Meeting of the WCIRB Membership

The WCIRB's Annual Meeting of its Membership will be held at 8:00 AM on Tuesday, March 17, 2020 at the WCIRB's office located at 1221 Broadway, Suite 900 in Oakland, California.
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2020-01 Reporting of Indemnity Transaction Data – Updated Reporting Guide

The WCIRB has issued an updated WCIRB Indemnity Data Call Reporting Guide, which is now available on the WCIRB's website.
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