California Penal Code Section 3007

The Department of Corrections and Rehabilitation shall require a research component for any sex offender treatment contract funded by the department. The research component shall enable the department`s research unit or an independent contractor to evaluate the effectiveness of each contract on reducing the rate of recidivism of the participants in the program funded by a contract. The research findings shall be compiled annually in a report due to the Legislature January 10 of each year.