RETROSPECTIVE RATING PLAN

RCW 51.18
in effect

RCW 51.18.005 Findings.

RCW 51.18.010 Availability — Rules — Coverage period.

RCW 51.18.020 Entrance criteria.

RCW 51.18.030 Sponsoring entities — New or existing retrospective rating groups.

RCW 51.18.040 Retrospective rating groups — Industry and business categories.

RCW 51.18.050 Retrospective rating groups — Probationary status — Denial of future enrollment.

RCW 51.18.060 Retrospective rating groups — Department approval.

RCW 51.18.065 Direct primary care services — Payment by employer — Rules.

Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=51.18&full=trueFetched: 6/29/2026