Versions of See prior versions of a law on LawServer 2023 Washington Code 18.205.160 – Co-occurring disorder specialist enhancement — Substance use disorder counseling services 2022 Washington Code 18.205.160 – Co-occurring disorder specialist enhancement–Substance use disorder counseling services 2020 Washington Code 18.205.160 – Co-occurring disorder specialist enhancement — Substance use disorder counseling services 2019 Washington Code 18.205.160 – Co-occurring disorder specialist enhancement — Substance use disorder counseling services
