2023 Washington Code 18.280.060 – Board’s authority

2022 Washington Code 18.280.060 – Board’s authority

2020 Washington Code 18.280.060 – Board’s authority

2019 Washington Code 18.280.060 – Board’s authority

2018 Washington Code 18.280.060 – Board’s authority

2016 Washington Code 18.280.060 – Board’s authority

2015 Washington Code 18.280.060 – Board’s authority

2014 Washington Code 18.280.060 – Board’s authority

2013 Washington Code 18.280.060 – Board’s authority

2009 Washington Code 18.280.060 – Board’s authority