2023 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2022 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2020 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2019 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2018 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2016 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2015 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2014 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2013 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when
2009 Washington Code 41.56.950 – Retroactive date in collective bargaining agreements allowable, when