2023 Washington Code 61.12.120 – Concurrent actions prohibited

2022 Washington Code 61.12.120 – Concurrent actions prohibited

2020 Washington Code 61.12.120 – Concurrent actions prohibited

2019 Washington Code 61.12.120

2018 Washington Code 61.12.120 – Concurrent actions prohibited

2016 Washington Code 61.12.120 – Concurrent actions prohibited

2015 Washington Code 61.12.120 – Concurrent actions prohibited

2014 Washington Code 61.12.120 – Concurrent actions prohibited

2013 Washington Code 61.12.120 – Concurrent actions prohibited

2009 Washington Code 61.12.120 – Concurrent actions prohibited