2023 Washington Code 27.12.025 – Authorization

2022 Washington Code 27.12.025 – Authorization

2020 Washington Code 27.12.025 – Authorization

2019 Washington Code 27.12.025 – Authorization

2018 Washington Code 27.12.025 – Authorization

2016 Washington Code 27.12.025 – Authorization

2015 Washington Code 27.12.025 – Authorization

2014 Washington Code 27.12.025 – Authorization

2013 Washington Code 27.12.025 – Authorization

2009 Washington Code 27.12.025 – Authorization