2023 Washington Code 18.57.160 – Unlawful practices

2022 Washington Code 18.57.160 – Unlawful practices

2020 Washington Code 18.57.160 – Unlawful practices

2019 Washington Code 18.57.160 – Unlawful practices

2018 Washington Code 18.57.160 – Unlawful practices

2016 Washington Code 18.57.160 – Unlawful practices

2015 Washington Code 18.57.160 – Unlawful practices

2014 Washington Code 18.57.160 – Unlawful practices

2013 Washington Code 18.57.160 – Unlawful practices

2009 Washington Code 18.57.160 – Unlawful practices