Versions of Washington Code 69.50.372 - Cannabis research license on LawServer 2023 Washington Code 69.50.372 – Cannabis research license 2022 Washington Code 69.50.372 – Cannabis research license 2020 Washington Code 69.50.372 – Marijuana research license 2019 Washington Code 69.50.372 2018 Washington Code 69.50.372 – Marijuana research license
