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Group-rating overview

Group-rating criteria
To participate in group rating, you must meet the following criteria:

  • Be current on all undisputed premiums, administrative costs, assessments, fines or monies otherwise due to BWC;
    • More specifically, you must be current, not more than 45 days past the due date on any and all amounts due BWC, by the group-rating application deadline. The only exception is if you submit in writing a dispute of the obligation to BWC's Adjudicating Committee detailing the reason for objection and supporting documentation.
  • Be current on the payment schedule for any scheduled part-pay agreement you've entered into to pay premiums or assessments otherwise due BWC as of the application deadline;
  • Not have cumulative lapses in workers' compensation coverage of 59 days in the past 18 months preceding the application deadline;
  • Be in an active status as of the application deadline. Employers who become active and obtain coverage, or who lapse and do not reinstate their coverage by April 1 after the application deadline cannot participate in group rating;
  • Not be a member of more than one group. If you apply for more than one group on a valid group-rating application, BWC will reject you for all groups.

Once you meet that criteria, apply for group rating through a trade association or other organization of which you are member.

Group criteria
Groups must demonstrate a common purpose and possess proven results from safety and loss-control practices. This helps confirm that the group's loss experience will differ from an individual employer's experience.

BWC adjusts rates for groups that use experience-rating credibility tables appropriate to the employers taken as if the group was one big company. The group rating plan is an annual plan for the rating of a policy year.

Largest possible discount and average discount statistics
The largest possible discount for a group-rating program is 90 percent.

Group-rating sponsors
There are two types of state-fund employers eligible for group rating, private and public. Private employers are private sector companies or organizations, and public employers are government entities: cities, counties, townships, schools, etc. Click on one of the links below to see your list of group rating sponsors.

Group rating sponsor list: Private employer

Group rating sponsor list: Public employer

Program deadlines for private and public employers
For private employers, BWC must receive applications from the group sponsors by the last business day in February of the rating year for which they are applying. Example: BWC must receive the applications from the group sponsors for the 2007 rating year (July 1, 2007 through June 30, 2008) by Feb. 28, 2007.

For public employers, BWC must receive applications from the group sponsors by the last Friday in August for the upcoming rating year of which they are applying. Example: BWC must receive the applications from the group sponsors for the 2007 rating year (Jan. 1, 2007 through Dec. 31, 2007) by Aug. 26, 2007.


If you have more specific questions about group rating, click here for contact information.

Click here to see groups associated with your industry.
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