2023 Washington Code 78.22.090 – Waiver prohibited

2022 Washington Code 78.22.090 – Waiver prohibited

2020 Washington Code 78.22.090 – Waiver prohibited

2019 Washington Code 78.22.090

2018 Washington Code 78.22.090 – Waiver prohibited

2016 Washington Code 78.22.090 – Waiver prohibited

2015 Washington Code 78.22.090 – Waiver prohibited

2014 Washington Code 78.22.090 – Waiver prohibited

2013 Washington Code 78.22.090 – Waiver prohibited

2009 Washington Code 78.22.090 – Waiver prohibited