2023 Washington Code 28A.235.040 – Acquisition authorized

2022 Washington Code 28A.235.040 – Acquisition authorized

2020 Washington Code 28A.235.040 – Acquisition authorized

2019 Washington Code 28A.235.040 – Acquisition authorized

2018 Washington Code 28A.235.040 – Acquisition authorized

2016 Washington Code 28A.235.040 – Acquisition authorized

2015 Washington Code 28A.235.040 – Acquisition authorized

2014 Washington Code 28A.235.040 – Acquisition authorized

2013 Washington Code 28A.235.040 – Acquisition authorized

2009 Washington Code 28A.235.040 – Acquisition authorized