2023 Washington Code 54.28.020 – Tax imposed — Rates — Additional tax imposed

2022 Washington Code 54.28.020 – Tax imposed–Rates–Additional tax imposed

2020 Washington Code 54.28.020 – Tax imposed — Rates — Additional tax imposed

2019 Washington Code 54.28.020

2018 Washington Code 54.28.020 – Tax imposed — Rates — Additional tax imposed

2016 Washington Code 54.28.020 – Tax imposed–Rates–Additional tax imposed

2015 Washington Code 54.28.020 – Tax imposed–Rates–Additional tax imposed

2014 Washington Code 54.28.020 – Tax imposed — Rates — Additional tax imposed

2013 Washington Code 54.28.020 – Tax imposed — Rates — Additional tax imposed

2009 Washington Code 54.28.020 – Tax imposed — Rates — Additional tax imposed