2023 Washington Code 29A.12.140 – Operating procedures

2022 Washington Code 29A.12.140 – Operating procedures

2020 Washington Code 29A.12.140 – Operating procedures

2019 Washington Code 29A.12.140 – Operating procedures

2018 Washington Code 29A.12.140 – Operating procedures

2016 Washington Code 29A.12.140 – Operating procedures

2015 Washington Code 29A.12.140 – Operating procedures

2014 Washington Code 29A.12.140 – Operating procedures

2013 Washington Code 29A.12.140 – Operating procedures

2009 Washington Code 29A.12.140 – Operating procedures