2023 Washington Code 49.12.187 – Collective bargaining rights not affected

2022 Washington Code 49.12.187 – Collective bargaining rights not affected

2020 Washington Code 49.12.187 – Collective bargaining rights not affected

2019 Washington Code 49.12.187

2018 Washington Code 49.12.187 – Collective bargaining rights not affected

2016 Washington Code 49.12.187 – Collective bargaining rights not affected

2015 Washington Code 49.12.187 – Collective bargaining rights not affected

2014 Washington Code 49.12.187 – Collective bargaining rights not affected

2013 Washington Code 49.12.187 – Collective bargaining rights not affected

2009 Washington Code 49.12.187 – Collective bargaining rights not affected