Versions of Washington Code 70A.228.901 - Effective dates -- 1992 c 14 on LawServer 2023 Washington Code 70A.228.901 – Effective dates — 1992 c 14 2022 Washington Code 70A.228.901 – Effective dates–1992 c 14 2020 Washington Code 70A.228.901 – Effective dates — 1992 c 14