2023 Washington Code 48.06.020 – Assessment mutuals prohibited — Exceptions

2022 Washington Code 48.06.020 – Assessment mutuals prohibited–Exceptions

2020 Washington Code 48.06.020 – Assessment mutuals prohibited — Exceptions

2019 Washington Code 48.06.020

2018 Washington Code 48.06.020 – Assessment mutuals prohibited — Exceptions

2016 Washington Code 48.06.020 – Assessment mutuals prohibited–Exceptions

2015 Washington Code 48.06.020 – Assessment mutuals prohibited–Exceptions

2014 Washington Code 48.06.020 – Assessment mutuals prohibited — Exceptions

2013 Washington Code 48.06.020 – Assessment mutuals prohibited — Exceptions

2009 Washington Code 48.06.020 – Assessment mutuals prohibited — Exceptions