2023 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2022 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2020 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2019 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2018 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2016 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2015 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2014 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2013 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated

2009 Washington Code 41.56.150 – Unfair labor practices for bargaining representative enumerated