Wash. Rev. Code § 39.04.235
(1) The following public bodies of the state of Washington are authorized to procure public works contracts under this chapter for the purpose of completing anticipated types of work based on hourly rates or unit pricing for one or more categories of work or trades:
[ 2019 c 434 s 9.]
Finding—Intent—2019 c 434: See note following RCW 35.23.352.