2023 Washington Code 69.70.900 – Effective date

2022 Washington Code 69.70.900 – Effective date

2020 Washington Code 69.70.900 – Effective date

2019 Washington Code 69.70.900

2018 Washington Code 69.70.900 – Effective date

2016 Washington Code 69.70.900 – Effective date

2015 Washington Code 69.70.900 – Effective date

2014 Washington Code 69.70.900 – Effective date

2013 Washington Code 69.70.900 – Effective date