2023 Washington Code 79.11.020 – Powers/duties of department

2022 Washington Code 79.11.020 – Powers/duties of department

2020 Washington Code 79.11.020 – Powers/duties of department

2019 Washington Code 79.11.020

2018 Washington Code 79.11.020 – Powers/duties of department

2016 Washington Code 79.11.020 – Powers/duties of department

2015 Washington Code 79.11.020 – Powers/duties of department

2014 Washington Code 79.11.020 – Powers/duties of department

2013 Washington Code 79.11.020 – Powers/duties of department

2009 Washington Code 79.11.020 – Powers/duties of department