2023 Washington Code 48.150.020 – Prohibition on discrimination

2022 Washington Code 48.150.020 – Prohibition on discrimination

2020 Washington Code 48.150.020 – Prohibition on discrimination

2019 Washington Code 48.150.020

2018 Washington Code 48.150.020 – Prohibition on discrimination

2016 Washington Code 48.150.020 – Prohibition on discrimination

2015 Washington Code 48.150.020 – Prohibition on discrimination

2014 Washington Code 48.150.020 – Prohibition on discrimination

2013 Washington Code 48.150.020 – Prohibition on discrimination

2009 Washington Code 48.150.020 – Prohibition on discrimination