2023 Washington Code 28A.320.290 – School counselors, social workers, and psychologists — Professional collaboration

2022 Washington Code 28A.320.290 – School counselors, social workers, and psychologists–Professional collaboration

2020 Washington Code 28A.320.290 – School counselors, social workers, and psychologists — Professional collaboration

2019 Washington Code 28A.320.290 – School counselors, social workers, and psychologists — Professional collaboration

2018 Washington Code 28A.320.290 – School counselors, social workers, and psychologists — Professional collaboration