2023 Washington Code > Chapter 39.24 – Public purchase preferences

2022 Washington Code > Chapter 39.24 – Public purchase preferences

2020 Washington Code > Chapter 39.24 – Public purchase preferences

2019 Washington Code > Chapter 39.24 – Public purchase preferences

2018 Washington Code > Chapter 39.24 – Public purchase preferences

2016 Washington Code > Chapter 39.24 – Public purchase preferences

2015 Washington Code > Chapter 39.24 – Public purchase preferences

2014 Washington Code > Chapter 39.24 – Public purchase preferences

2013 Washington Code > Chapter 39.24 – Public purchase preferences