California Code, Business and Professions Code - BPC § 7501.4

The chief shall gather evidence of violations of this chapter and of any rule or regulation established pursuant to this chapter by persons engaged in the business of repossession who fail to obtain licenses and shall gather evidence of violations and furnish that evidence to the prosecuting officers of any county or city for the purpose of prosecuting all violations occurring within their jurisdiction.

The chief, with the approval of the director, may require the attendance of witnesses and examine under oath all persons whose testimony he or she requires, relative to the affairs of a licensee or to the subject matter of any examination, investigation, or hearing.