Versions of Washington Code 1.70.903 - Effective date -- 2017 c 106 on LawServer 2023 Washington Code 1.70.903 – Effective date — 2017 c 106 2022 Washington Code 1.70.903 – Effective date–2017 c 106 2020 Washington Code 1.70.903 – Effective date — 2017 c 106 2019 Washington Code 1.70.903 – Effective date — 2017 c 106 2018 Washington Code 1.70.903 – Effective date — 2017 c 106