2023 Washington Code 71.34.670 – “Appropriately trained professional person” defined by rule

2022 Washington Code 71.34.670 – “Appropriately trained professional person” defined by rule

2020 Washington Code 71.34.670 – “Appropriately trained professional person” defined by rule

2019 Washington Code 71.34.670

2018 Washington Code 71.34.670 – “Appropriately trained professional person” defined by rule