Versions of Washington Code 71.24.640 - Standards for certification or licensure of evaluation and treatment facilities on LawServer 2023 Washington Code 71.24.640 – Standards for certification or licensure of evaluation and treatment facilities 2022 Washington Code 71.24.640 – Standards for certification or licensure of evaluation and treatment facilities 2020 Washington Code 71.24.640 – Standards for certification or licensure of evaluation and treatment facilities 2019 Washington Code 71.24.640 2018 Washington Code 71.24.640 – Standards for certification or licensure of evaluation and treatment facilities 2016 Washington Code 71.24.640 – Standards for certification or licensure of evaluation and treatment facilities