Versions of Washington Code 77.135.220 - Aquatic invasive species prevention permits -- Commercial transporters and aquatic conveyances on LawServer 2023 Washington Code 77.135.220 – Aquatic invasive species prevention permits — Commercial transporters and aquatic conveyances 2022 Washington Code 77.135.220 – Aquatic invasive species prevention permits–Commercial transporters and aquatic conveyances 2020 Washington Code 77.135.220 – Aquatic invasive species prevention permits — Commercial transporters and aquatic conveyances 2019 Washington Code 77.135.220 2018 Washington Code 77.135.220 – Aquatic invasive species prevention permits — Commercial transporters and aquatic conveyances