(1) This chapter implements chapter 71.12 RCW and sets the minimum health and safety standards for licensure and operations of twenty-four hour private, county or municipal residential treatment facilities (RTF) providing health care services to persons with mental disorders or substance use disorders.

(2) These rules are intended to supplement other applicable federal, state and local laws, rules and ordinances. If any provision of this chapter is more restrictive than local codes and ordinances this chapter shall prevail over any less restrictive provision.