Washington Revised Code Title 18. Businesses and Professions § 18.165.050. Private investigator agency license--Requirements, restrictions--Assignment or transfer

(a) Pass an examination determined by the director to measure the person's knowledge and competence in the private investigator agency business; or

(b) Have had at least three years' experience in investigative work or its equivalent as determined by the director. A year's experience means not less than two thousand hours of actual compensated work performed before the filing of an application. An applicant shall substantiate the experience by written certifications from previous employers. If the applicant is unable to supply written certifications from previous employers, applicants may offer written certifications from professional persons other than employers who, based on personal professional knowledge, can substantiate the employment.