2023 Washington Code 48.15.043 – Diligent effort requirement — Exempt commercial purchaser

2022 Washington Code 48.15.043 – Diligent effort requirement–Exempt commercial purchaser

2020 Washington Code 48.15.043 – Diligent effort requirement — Exempt commercial purchaser

2019 Washington Code 48.15.043

2018 Washington Code 48.15.043 – Diligent effort requirement — Exempt commercial purchaser

2016 Washington Code 48.15.043 – Diligent effort requirement–Exempt commercial purchaser

2015 Washington Code 48.15.043 – Diligent effort requirement–Exempt commercial purchaser

2014 Washington Code 48.15.043 – Diligent effort requirement — Exempt commercial purchaser

2013 Washington Code 48.15.043 – Diligent effort requirement — Exempt commercial purchaser