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Current Self-Insurance Assessment Rates

Assessments based on claim costs
Administrative Assessment (WAC 296-15-223 [www.leg.wa.gov])
Fiscal year Base Adjusted
2015 .0476 .0467
Second Injury Assessment (WAC 296-15-225 [www.leg.wa.gov])
Fiscal year Base Adjusted
2015 .1299 .0581
Insolvency Trust Assessment (WAC 296-15-227 [www.leg.wa.gov])
Quarterly Average
2015 0.0000

Assessments based on worker hours
Supplemental Pension & Asbestos (WAC 296-15-229 [www.leg.wa.gov])
Can withhold half from employees
Calendar year Assessment
2014 0.0912
Overpayment reimbursement
Can withhold entirely from employees
Calendar year Assessment
2014 0.0000

Key

  • Base applies to self-insured employers certified after July 1, 2013.
  • Adjusted applies to self-insured employers certified before July 1, 2013 whose rate is impacted by any previous over or under collection of that assessment.
  • Time periods:
    • Fiscal year: July 1 through June 30.
    • Calendar year: January 1 through December 31.
    • Quarterly: assessed each quarter.

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