2023 Washington Code 19.80.001 – Purposes

2022 Washington Code 19.80.001 – Purposes

2020 Washington Code 19.80.001 – Purposes

2019 Washington Code 19.80.001 – Purposes

2018 Washington Code 19.80.001 – Purposes

2016 Washington Code 19.80.001 – Purposes

2015 Washington Code 19.80.001 – Purposes

2014 Washington Code 19.80.001 – Purposes

2013 Washington Code 19.80.001 – Purposes

2009 Washington Code 19.80.001 – Purposes