2023 Washington Code 43.70.020 – Department created

2022 Washington Code 43.70.020 – Department created

2020 Washington Code 43.70.020 – Department created

2019 Washington Code 43.70.020 – Department created

2018 Washington Code 43.70.020 – Department created

2016 Washington Code 43.70.020 – Department created

2015 Washington Code 43.70.020 – Department created

2014 Washington Code 43.70.020 – Department created

2013 Washington Code 43.70.020 – Department created

2009 Washington Code 43.70.020 – Department created