Versions of Washington Code 18.57.810 - Opioid drugs -- Right to refuse on LawServer 2023 Washington Code 18.57.810 – Opioid drugs — Right to refuse 2022 Washington Code 18.57.810 – Opioid drugs–Right to refuse 2020 Washington Code 18.57.810 – Opioid drugs — Right to refuse 2019 Washington Code 18.57.810 – Opioid drugs — Right to refuse