2023 Washington Code 28B.110.010 – Discrimination prohibited

2022 Washington Code 28B.110.010 – Discrimination prohibited

2020 Washington Code 28B.110.010 – Discrimination prohibited

2019 Washington Code 28B.110.010 – Discrimination prohibited

2018 Washington Code 28B.110.010 – Discrimination prohibited

2016 Washington Code 28B.110.010 – Discrimination prohibited

2015 Washington Code 28B.110.010 – Discrimination prohibited

2014 Washington Code 28B.110.010 – Discrimination prohibited

2013 Washington Code 28B.110.010 – Discrimination prohibited

2009 Washington Code 28B.110.010 – Discrimination prohibited