2023 Washington Code 36.57A.120 – Acquisition of existing system — Labor contracts, employee rights preserved — Collective bargaining

2022 Washington Code 36.57A.120 – Acquisition of existing system–Labor contracts, employee rights preserved–Collective bargaining

2020 Washington Code 36.57A.120 – Acquisition of existing system — Labor contracts, employee rights preserved — Collective bargaining

2019 Washington Code 36.57A.120 – Acquisition of existing system — Labor contracts, employee rights preserved — Collective bargaining

2018 Washington Code 36.57A.120 – Acquisition of existing system — Labor contracts, employee rights preserved — Collective bargaining

2016 Washington Code 36.57A.120 – Acquisition of existing system–Labor contracts, employee rights preserved–Collective bargaining

2015 Washington Code 36.57A.120 – Acquisition of existing system–Labor contracts, employee rights preserved–Collective bargaining

2014 Washington Code 36.57A.120 – Acquisition of existing system — Labor contracts, employee rights preserved — Collective bargaining

2013 Washington Code 36.57A.120 – Acquisition of existing system — Labor contracts, employee rights preserved — Collective bargaining

2009 Washington Code 36.57A.120 – Acquisition of existing system — Labor contracts, employee rights preserved — Collective bargaining