2023 Washington Code 18.89.040 – Scope of practice

2022 Washington Code 18.89.040 – Scope of practice

2020 Washington Code 18.89.040 – Scope of practice

2019 Washington Code 18.89.040 – Scope of practice

2018 Washington Code 18.89.040 – Scope of practice

2016 Washington Code 18.89.040 – Scope of practice

2015 Washington Code 18.89.040 – Scope of practice

2014 Washington Code 18.89.040 – Scope of practice

2013 Washington Code 18.89.040 – Scope of practice

2009 Washington Code 18.89.040 – Scope of practice