Versions of Washington Code 64.90.015 - No variation by agreement on LawServer 2023 Washington Code 64.90.015 – No variation by agreement 2022 Washington Code 64.90.015 – No variation by agreement 2020 Washington Code 64.90.015 – No variation by agreement 2019 Washington Code 64.90.015 2018 Washington Code 64.90.015 – No variation by agreement