2019 Washington Code 18.20.010 – Purpose

2009 Washington Code 18.20.010 – Purpose

2013 Washington Code 18.20.010 – Purpose

2014 Washington Code 18.20.010 – Purpose

2015 Washington Code 18.20.010 – Purpose

2016 Washington Code 18.20.010 – Purpose

2018 Washington Code 18.20.010 – Purpose