2023 Washington Code 18.140.090 – Experience requirements

2022 Washington Code 18.140.090 – Experience requirements

2020 Washington Code 18.140.090 – Experience requirements

2019 Washington Code 18.140.090 – Experience requirements

2018 Washington Code 18.140.090 – Experience requirements

2016 Washington Code 18.140.090 – Experience requirements

2015 Washington Code 18.140.090 – Experience requirements

2014 Washington Code 18.140.090 – Experience requirements

2013 Washington Code 18.140.090 – Experience requirements

2009 Washington Code 18.140.090 – Experience requirements