2023 Washington Code 19.330.020 – Unfair acts

2022 Washington Code 19.330.020 – Unfair acts

2020 Washington Code 19.330.020 – Unfair acts

2019 Washington Code 19.330.020 – Unfair acts

2018 Washington Code 19.330.020 – Unfair acts

2016 Washington Code 19.330.020 – Unfair acts

2015 Washington Code 19.330.020 – Unfair acts

2014 Washington Code 19.330.020 – Unfair acts

2013 Washington Code 19.330.020 – Unfair acts