2023 Washington Code 52.14.120 – Purchases and public works — Competitive bidding procedures

2022 Washington Code 52.14.120 – Purchases and public works–Competitive bidding procedures

2020 Washington Code 52.14.120 – Purchases and public works — Competitive bidding procedures

2019 Washington Code 52.14.120

2018 Washington Code 52.14.120 – Purchases and public works — Competitive bidding procedures

2016 Washington Code 52.14.120 – Purchases and public works–Competitive bidding procedures

2015 Washington Code 52.14.120 – Purchases and public works–Competitive bidding procedures

2014 Washington Code 52.14.120 – Purchases and public works — Competitive bidding procedures

2013 Washington Code 52.14.120 – Purchases and public works — Competitive bidding procedures

2009 Washington Code 52.14.120 – Purchases and public works — Competitive bidding procedures