2023 Washington Code 28A.225.031 – Alcohol or controlled substances testing — Authority to order

2022 Washington Code 28A.225.031 – Alcohol or controlled substances testing–Authority to order

2020 Washington Code 28A.225.031 – Alcohol or controlled substances testing — Authority to order

2019 Washington Code 28A.225.031 – Alcohol or controlled substances testing — Authority to order

2018 Washington Code 28A.225.031 – Alcohol or controlled substances testing — Authority to order

2016 Washington Code 28A.225.031 – Alcohol or controlled substances testing–Authority to order

2015 Washington Code 28A.225.031 – Alcohol or controlled substances testing–Authority to order

2014 Washington Code 28A.225.031 – Alcohol or controlled substances testing — Authority to order

2013 Washington Code 28A.225.031 – Alcohol or controlled substances testing — Authority to order

2009 Washington Code 28A.225.031 – Alcohol or controlled substances testing — Authority to order