Cal. Lab. Code § 1051

Except as provided in Section 1057, any person or agent or officer thereof, who requires, as a condition precedent to securing or retaining employment, that an employee or applicant for employment be photographed or fingerprinted by any person who desires his or her photograph or fingerprints for the purpose of furnishing the same or information concerning the same or concerning the employee or applicant for employment to any other employer or third person, and these photographs and fingerprints could be used to the detriment of the employee or applicant for employment is guilty of a misdemeanor.