2023 Washington Code 52.14.110 – Purchases and public works — Competitive bids required — Exceptions

2022 Washington Code 52.14.110 – Purchases and public works–Competitive bids required–Exceptions

2020 Washington Code 52.14.110 – Purchases and public works — Competitive bids required — Exceptions

2019 Washington Code 52.14.110

2018 Washington Code 52.14.110 – Purchases and public works — Competitive bids required — Exceptions

2016 Washington Code 52.14.110 – Purchases and public works–Competitive bids required–Exceptions

2015 Washington Code 52.14.110 – Purchases and public works–Competitive bids required–Exceptions

2014 Washington Code 52.14.110 – Purchases and public works — Competitive bids required — Exceptions

2013 Washington Code 52.14.110 – Purchases and public works — Competitive bids required — Exceptions

2009 Washington Code 52.14.110 – Purchases and public works — Competitive bids required — Exceptions