2023 Washington Code 18.155.080 – Standards and procedures

2022 Washington Code 18.155.080 – Standards and procedures

2020 Washington Code 18.155.080 – Standards and procedures

2019 Washington Code 18.155.080 – Standards and procedures

2018 Washington Code 18.155.080 – Standards and procedures

2016 Washington Code 18.155.080 – Standards and procedures

2015 Washington Code 18.155.080 – Standards and procedures

2014 Washington Code 18.155.080 – Standards and procedures

2013 Washington Code 18.155.080 – Standards and procedures

2009 Washington Code 18.155.080 – Standards and procedures