Rules governing the Retrospective Rating Program

New rules for the Retrospective Rating Program became effective January 1, 2011.

These apply only to businesses and groups enrolled in Retrospective Rating coverage periods beginning January 1, 2011, and later.

The rules can be found in the Washington Administrative Code (WAC) on the Code Reviser's website (www.leg.wa.gov):

• Chapter 296-17B WAC (www.leg.wa.gov)
  Retrospective rating for workers' compensation insurance.
• Section 296-17-901 WAC (www.leg.wa.gov)
  Risk classification hazard grouping table.

The rules for retro coverage periods prior to January 1, 2011, are listed below.

Contact retro staff for help.

Retro rules prior to January 1, 2011

 These rules apply to retro coverage period(s) established prior to January 1, 2011. The courts can take judicial notice of the Washington Administrative Code (WAC) only as published by the Office of the Code Reviser (www.leg.wa.gov). The text contained in these Web pages may reflect minor changes when compared with the WAC.

• WAC 296‑17‑90401
  Introduction.
• WAC 296‑17‑90402
  Definitions.
• WAC 296‑17‑90404
  Employer options.
• WAC 296‑17‑90405
  Individual retro — Enrollment.
• WAC 296‑17‑90407
  Reenrollment — Individual retro.
• WAC 296‑17‑90409
  New group — Requirements.
• WAC 296‑17‑90410
  New group — Agreement finalized.
• WAC 296‑17‑90411
  Existing group.
• WAC 296‑17‑90413
  Individual employer group member requirements — Initial enrollment.
• WAC 296‑17‑90414
  Individual employer group member requirements — Reenrollment.
• WAC 296‑17‑90421
  Sponsoring organization — Retro group business and industry selection.
• WAC 296‑17‑90422
  Retro group — Classification assignments.
• WAC 296‑17‑90425
  Additional groups.
• WAC 296‑17‑90428
  Disqualification of a retro group.
• WAC 296‑17‑90431
  Change of ownership.
• WAC 296‑17‑90437
  Faxed, emailed and machine-copied agreements and applications.
• WAC 296‑17‑90438
  Application, agreements and other required documentation — Due dates.
• WAC 296‑17‑90440
  Cancellation of participation.
• WAC 296‑17‑90445
  Valuation of coverage period.
• WAC 296‑17‑90446
  Retrospective premium calculation.
• WAC 296‑17‑90447
  Adjustments to standard premiums after the last mandatory adjustment — Individual employer.
• WAC 296‑17‑90453
  Disputes, protests and appeals.
• WAC 296‑17‑90484
  Direct pay of medical bills — Prohibited.
• WAC 296‑17‑90486
  Impartial review of L&I decisions.
• WAC 296‑17‑90490
  Limitation of liability — Indemnification.