2023 Washington Code > Chapter 18.205 – Substance use disorder professionals

2022 Washington Code > Chapter 18.205 – Substance use disorder professionals

2020 Washington Code > Chapter 18.205 – Substance use disorder professionals

2019 Washington Code > Chapter 18.205 – Substance use disorder professionals

2018 Washington Code > Chapter 18.205 – Chemical dependency professionals

2016 Washington Code > Chapter 18.205 – Chemical dependency professionals

2015 Washington Code > Chapter 18.205 – Chemical dependency professionals

2014 Washington Code > Chapter 18.205 – Chemical dependency professionals

2013 Washington Code > Chapter 18.205 – Chemical dependency professionals