Washington Revised Code Title 18. Businesses and Professions § 18.165.110. Regulatory provisions exclusive--Authority of the state and political subdivisions

(1) The provisions of this chapter relating to the licensing for regulatory purposes of private investigators, armed private investigators, and private investigator agencies are exclusive. No governmental subdivision of this state may enact any laws or rules licensing for regulatory purposes such persons, except as provided in subsections (2) and (3) of this section.

(2) This section shall not be construed to prevent a political subdivision of this state from levying a business fee, business and occupation tax, or other tax upon private investigator agencies if such fees or taxes are levied by the state on other types of businesses within its boundaries.

(3) This section shall not be construed to prevent this state or a political subdivision of this state from licensing for regulatory purposes private investigator agencies with respect to activities that are not regulated under this chapter.