Cal. Lab. Code § 5307.9
On or before December 31, 2013, the administrative director, in consultation with the Commission on Health and Safety and Workers' Compensation, shall adopt, after public hearings, a schedule of reasonable maximum fees payable for copy and related services, including, but not limited to, records or documents that have been reproduced or recorded in paper, electronic, film, digital, or other format. The schedule shall specify the services allowed and shall require specificity in billing for these services, and shall not allow for payment for services provided within 30 days of a request by an injured worker or his or her authorized representative to an employer, claims administrator, or workers' compensation insurer for copies of records in the employer's, claims administrator's, or workers' compensation insurer's possession that are relevant to the employee's claim. The schedule shall be applicable regardless of whether payments of copy service costs are claimed under the authority of Section 4600, 4620, or 5811, or any other authority except a contract between the employer and the copy service provider.
Ca. Lab. Code § 5307.9