Versions of Washington Code 48.49.900 - Effective date -- 2019 c 427 on LawServer 2023 Washington Code 48.49.900 – Effective date — 2019 c 427 2022 Washington Code 48.49.900 – Effective date–2019 c 427 2020 Washington Code 48.49.900 – Effective date — 2019 c 427 2019 Washington Code 48.49.900