2023 Washington Code 53.08.135 – Construction projects over forty thousand dollars — Contracting out

2022 Washington Code 53.08.135 – Construction projects over forty thousand dollars–Contracting out

2020 Washington Code 53.08.135 – Construction projects over forty thousand dollars — Contracting out

2019 Washington Code 53.08.135

2018 Washington Code 53.08.135 – Construction projects over forty thousand dollars — Contracting out

2016 Washington Code 53.08.135 – Construction projects over forty thousand dollars–Contracting out

2015 Washington Code 53.08.135 – Construction projects over forty thousand dollars–Contracting out

2014 Washington Code 53.08.135 – Construction projects over forty thousand dollars — Contracting out

2013 Washington Code 53.08.135 – Construction projects over forty thousand dollars — Contracting out

2009 Washington Code 53.08.135 – Construction projects over forty thousand dollars — Contracting out