2023 Washington Code 28A.315.015 – Purpose — Policy

2022 Washington Code 28A.315.015 – Purpose–Policy

2020 Washington Code 28A.315.015 – Purpose — Policy

2019 Washington Code 28A.315.015 – Purpose — Policy

2018 Washington Code 28A.315.015 – Purpose — Policy

2016 Washington Code 28A.315.015 – Purpose–Policy

2015 Washington Code 28A.315.015 – Purpose–Policy

2014 Washington Code 28A.315.015 – Purpose — Policy

2013 Washington Code 28A.315.015 – Purpose — Policy

2009 Washington Code 28A.315.015 – Purpose — Policy