Provides that the following are not considered an "agency" as defined in chapter 74.15 RCW (care of children, expectant mothers, persons with developmental disabilities): A host home program, and host home, operated by a tax exempt organization for youth not in the care of or receiving services from the department of social and health services.

Requires a host home program to: (1) Register with the secretary of state's office; and

(2) If it has reasonable cause to believe that a child has suffered abuse or neglect, report the incident to the proper law enforcement agency or to the department of social and health services.

Requires the department of commerce to report recommendations and best practices for host home programs to the governor and the legislature.