Versions of Washington Code 15.125.020 - Rule-making authority on LawServer 2023 Washington Code 15.125.020 – Rule-making authority 2022 Washington Code 15.125.020 – Rule-making authority 2020 Washington Code 15.125.020 – Rule-making authority 2019 Washington Code 15.125.020 – Rule-making authority 2018 Washington Code 15.125.020 – Rule-making authority