2023 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited

2022 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited

2020 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited

2019 Washington Code 49.60.400

2018 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited

2016 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited

2015 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited

2014 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited

2013 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited

2009 Washington Code 49.60.400 – Discrimination, preferential treatment prohibited