2023 Washington Code 15.24.080 – Research, advertising, and educational campaign — Beneficial purposes

2022 Washington Code 15.24.080 – Research, advertising, and educational campaign–Beneficial purposes

2020 Washington Code 15.24.080 – Research, advertising, and educational campaign — Beneficial purposes

2019 Washington Code 15.24.080 – Research, advertising, and educational campaign — Beneficial purposes

2018 Washington Code 15.24.080 – Research, advertising, and educational campaign — Beneficial purposes

2016 Washington Code 15.24.080 – Research, advertising, and educational campaign–Beneficial purposes

2015 Washington Code 15.24.080 – Research, advertising, and educational campaign–Beneficial purposes

2014 Washington Code 15.24.080 – Research, advertising, and educational campaign — Beneficial purposes

2013 Washington Code 15.24.080 – Research, advertising, and educational campaign — Beneficial purposes

2009 Washington Code 15.24.080 – Research, advertising, and educational campaign — Beneficial purposes