2023 Washington Code 53.20.020 – Improvement to follow plans adopted

2022 Washington Code 53.20.020 – Improvement to follow plans adopted

2020 Washington Code 53.20.020 – Improvement to follow plans adopted

2019 Washington Code 53.20.020

2018 Washington Code 53.20.020 – Improvement to follow plans adopted

2016 Washington Code 53.20.020 – Improvement to follow plans adopted

2015 Washington Code 53.20.020 – Improvement to follow plans adopted

2014 Washington Code 53.20.020 – Improvement to follow plans adopted

2013 Washington Code 53.20.020 – Improvement to follow plans adopted

2009 Washington Code 53.20.020 – Improvement to follow plans adopted