2023 Washington Code 71.12.550 – Local authorities may also prescribe standards

2022 Washington Code 71.12.550 – Local authorities may also prescribe standards

2020 Washington Code 71.12.550 – Local authorities may also prescribe standards

2019 Washington Code 71.12.550

2018 Washington Code 71.12.550 – Local authorities may also prescribe standards

2016 Washington Code 71.12.550 – Local authorities may also prescribe standards

2015 Washington Code 71.12.550 – Local authorities may also prescribe standards

2014 Washington Code 71.12.550 – Local authorities may also prescribe standards

2013 Washington Code 71.12.550 – Local authorities may also prescribe standards

2009 Washington Code 71.12.550 – Local authorities may also prescribe standards