2023 Washington Code 66.98.100 – Effective date — 1981 1st ex.s. c 5

2022 Washington Code 66.98.100 – Effective date–1981 1st ex.s. c 5

2020 Washington Code 66.98.100 – Effective date — 1981 1st ex.s. c 5

2019 Washington Code 66.98.100

2018 Washington Code 66.98.100 – Effective date — 1981 1st ex.s. c 5

2016 Washington Code 66.98.100 – Effective date–1981 1st ex.s. c 5

2015 Washington Code 66.98.100 – Effective date–1981 1st ex.s. c 5

2014 Washington Code 66.98.100 – Effective date — 1981 1st ex.s. c 5

2013 Washington Code 66.98.100 – Effective date — 1981 1st ex.s. c 5

2009 Washington Code 66.98.100 – Effective date — 1981 1st ex.s. c 5