Versions of Washington Code 26.09.916 - Rule-making authority -- 2020 c 227 on LawServer 2023 Washington Code 26.09.916 – Rule-making authority — 2020 c 227 2022 Washington Code 26.09.916 – Rule-making authority–2020 c 227 2020 Washington Code 26.09.916 – Rule-making authority — 2020 c 227