2023 Washington Code 77.100.070 – Agreements for cooperative projects — Duration

2022 Washington Code 77.100.070 – Agreements for cooperative projects–Duration

2020 Washington Code 77.100.070 – Agreements for cooperative projects — Duration

2019 Washington Code 77.100.070

2018 Washington Code 77.100.070 – Agreements for cooperative projects — Duration

2016 Washington Code 77.100.070 – Agreements for cooperative projects–Duration

2015 Washington Code 77.100.070 – Agreements for cooperative projects–Duration

2014 Washington Code 77.100.070 – Agreements for cooperative projects — Duration

2013 Washington Code 77.100.070 – Agreements for cooperative projects — Duration

2009 Washington Code 77.100.070 – Agreements for cooperative projects — Duration