2023 Washington Code 18.165.180 – Complaints — Investigation — Immunity

2022 Washington Code 18.165.180 – Complaints–Investigation–Immunity

2020 Washington Code 18.165.180 – Complaints — Investigation — Immunity

2019 Washington Code 18.165.180 – Complaints — Investigation — Immunity

2018 Washington Code 18.165.180 – Complaints — Investigation — Immunity

2016 Washington Code 18.165.180 – Complaints–Investigation–Immunity

2015 Washington Code 18.165.180 – Complaints–Investigation–Immunity

2014 Washington Code 18.165.180 – Complaints — Investigation — Immunity

2013 Washington Code 18.165.180 – Complaints — Investigation — Immunity

2009 Washington Code 18.165.180 – Complaints — Investigation — Immunity