2023 Washington Code 41.59.940 – Effective date — 1975 1st ex.s. c 288

2022 Washington Code 41.59.940 – Effective date–1975 1st ex.s. c 288

2020 Washington Code 41.59.940 – Effective date — 1975 1st ex.s. c 288

2019 Washington Code 41.59.940 – Effective date — 1975 1st ex.s. c 288

2018 Washington Code 41.59.940 – Effective date — 1975 1st ex.s. c 288

2016 Washington Code 41.59.940 – Effective date–1975 1st ex.s. c 288

2015 Washington Code 41.59.940 – Effective date–1975 1st ex.s. c 288

2014 Washington Code 41.59.940 – Effective date — 1975 1st ex.s. c 288

2013 Washington Code 41.59.940 – Effective date — 1975 1st ex.s. c 288

2009 Washington Code 41.59.940 – Effective date — 1975 1st ex.s. c 288