2023 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2022 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2020 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2019 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2018 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2016 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2015 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2014 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2013 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling

2009 Washington Code 16.67.110 – Promotional programs, research, rate studies, labeling