See RCW 39.06.010.
Public works, contracts with unregistered contractors prohibited.
RCW 18.27.111 — under Chapter 18.27 Registration of contractors..
RCW 18.27.111
RCW 18.27.111 — under Chapter 18.27 Registration of contractors..
RCW 18.27.111
See RCW 39.06.010.