Versions of See prior versions of a law on LawServer 2023 Washington Code 69.50.201 – Enforcement of chapter — Authority to change schedules of controlled substances 2022 Washington Code 69.50.201 – Enforcement of chapter–Authority to change schedules of controlled substances 2020 Washington Code 69.50.201 – Enforcement of chapter — Authority to change schedules of controlled substances 2019 Washington Code 69.50.201 2018 Washington Code 69.50.201 – Enforcement of chapter — Authority to change schedules of controlled substances 2016 Washington Code 69.50.201 – Enforcement of chapter–Authority to change schedules of controlled substances 2015 Washington Code 69.50.201 – Enforcement of chapter–Authority to change schedules of controlled substances 2014 Washington Code 69.50.201 – Enforcement of chapter — Authority to change schedules of controlled substances 2013 Washington Code 69.50.201 – Enforcement of chapter — Authority to change schedules of controlled substances 2009 Washington Code 69.50.201 – Enforcement of chapter — Authority to change schedules of controlled substances