Versions of See prior versions of a law on LawServer 2023 Washington Code 43.43.640 – Drug control assistance unit — Certain investigators exempt from state civil service act 2022 Washington Code 43.43.640 – Drug control assistance unit–Certain investigators exempt from state civil service act 2020 Washington Code 43.43.640 – Drug control assistance unit — Certain investigators exempt from state civil service act 2019 Washington Code 43.43.640 – Drug control assistance unit — Certain investigators exempt from state civil service act 2018 Washington Code 43.43.640 – Drug control assistance unit — Certain investigators exempt from state civil service act 2016 Washington Code 43.43.640 – Drug control assistance unit–Certain investigators exempt from state civil service act 2015 Washington Code 43.43.640 – Drug control assistance unit–Certain investigators exempt from state civil service act 2014 Washington Code 43.43.640 – Drug control assistance unit — Certain investigators exempt from state civil service act 2013 Washington Code 43.43.640 – Drug control assistance unit — Certain investigators exempt from state civil service act 2009 Washington Code 43.43.640 – Drug control assistance unit — Certain investigators exempt from state civil service act