2023 Washington Code 18.27.090 – Exemptions

2022 Washington Code 18.27.090 – Exemptions

2020 Washington Code 18.27.090 – Exemptions

2019 Washington Code 18.27.090 – Exemptions

2018 Washington Code 18.27.090 – Exemptions

2016 Washington Code 18.27.090 – Exemptions

2015 Washington Code 18.27.090 – Exemptions

2014 Washington Code 18.27.090 – Exemptions

2013 Washington Code 18.27.090 – Exemptions

2009 Washington Code 18.27.090 – Exemptions