Washington Code > Chapter 18.27 > § 18.27.111 Washington Code 18.27.111 – Public works, contracts with unregistered contractors prohibited Current as of: 2023 | Check for updates | Other versions See RCW 39.06.010. Ask a business law question, get an answer ASAP!Thousands of highly rated, verified business lawyers.Click here to chat with a lawyer about your rights. Previous sectionNext section Chapter 18.27 Contents