2023 Washington Code 71A.22.010 – Contracts for services authorized

2022 Washington Code 71A.22.010 – Contracts for services authorized

2020 Washington Code 71A.22.010 – Contracts for services authorized

2019 Washington Code 71A.22.010

2018 Washington Code 71A.22.010 – Contracts for services authorized

2016 Washington Code 71A.22.010 – Contracts for services authorized

2015 Washington Code 71A.22.010 – Contracts for services authorized

2014 Washington Code 71A.22.010 – Contracts for services authorized

2013 Washington Code 71A.22.010 – Contracts for services authorized

2009 Washington Code 71A.22.010 – Contracts for services authorized