Versions of Washington Code 49.80.900 - Effective date -- 2019 c 306 on LawServer 2023 Washington Code 49.80.900 – Effective date — 2019 c 306 2022 Washington Code 49.80.900 – Effective date–2019 c 306 2020 Washington Code 49.80.900 – Effective date — 2019 c 306 2019 Washington Code 49.80.900