Washington Code > Chapter 18.64 > § 18.64.590 Washington Code 18.64.590 – Long-term care facilities and hospice programs — Commission authority Current as of: 2023 | Check for updates | Other versions The commission may adopt rules implementing RCW 18.64.550 through 18.64.580. [ 2016 c 148 § 6.] 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 18.64 Contents