2023 Washington Code 18.380.030 – Exemptions

2022 Washington Code 18.380.030 – Exemptions

2020 Washington Code 18.380.030 – Exemptions

2019 Washington Code 18.380.030 – Exemptions

2018 Washington Code 18.380.030 – Exemptions

2016 Washington Code 18.380.030 – Exemptions