2023 Washington Code 39.89.090 – Conclusive presumption of validity

2022 Washington Code 39.89.090 – Conclusive presumption of validity

2020 Washington Code 39.89.090 – Conclusive presumption of validity

2019 Washington Code 39.89.090 – Conclusive presumption of validity

2018 Washington Code 39.89.090 – Conclusive presumption of validity

2016 Washington Code 39.89.090 – Conclusive presumption of validity

2015 Washington Code 39.89.090 – Conclusive presumption of validity

2014 Washington Code 39.89.090 – Conclusive presumption of validity

2013 Washington Code 39.89.090 – Conclusive presumption of validity

2009 Washington Code 39.89.090 – Conclusive presumption of validity