2023 Washington Code 81.20.040 – Commission’s determination of necessity as evidence

2022 Washington Code 81.20.040 – Commission’s determination of necessity as evidence

2020 Washington Code 81.20.040 – Commission’s determination of necessity as evidence

2019 Washington Code 81.20.040

2018 Washington Code 81.20.040 – Commission’s determination of necessity as evidence

2016 Washington Code 81.20.040 – Commission’s determination of necessity as evidence

2015 Washington Code 81.20.040 – Commission’s determination of necessity as evidence

2014 Washington Code 81.20.040 – Commission’s determination of necessity as evidence

2013 Washington Code 81.20.040 – Commission’s determination of necessity as evidence

2009 Washington Code 81.20.040 – Commission’s determination of necessity as evidence