Versions of Washington Code 70A.205.900 - Authority and responsibility of utilities and transportation commission not changed on LawServer 2023 Washington Code 70A.205.900 – Authority and responsibility of utilities and transportation commission not changed 2022 Washington Code 70A.205.900 – Authority and responsibility of utilities and transportation commission not changed 2020 Washington Code 70A.205.900 – Authority and responsibility of utilities and transportation commission not changed