Versions of Washington Code 48.190.100 - Tax exemptions on LawServer 2023 Washington Code 48.190.100 – Tax exemptions 2022 Washington Code 48.190.100 – Tax exemptions 2020 Washington Code 48.190.100 – Tax exemptions 2019 Washington Code 48.190.100 2018 Washington Code 48.190.100 – Tax exemptions