Cal. Penal Code § 6035

(a) For the purpose of raising the level of competence of local corrections and probation officers and other correctional personnel, the board shall adopt, and may from time to time amend, rules establishing minimum standards for the selection and training of these personnel employed by any city, county, or city and county who provide for the custody, supervision, treatment, or rehabilitation of persons accused of, or adjudged responsible for, criminal or delinquent conduct who are currently under local jurisdiction. All of these rules shall be adopted and amended pursuant to Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code. (b) Any city, county, or city and county may adhere to the standards for selection and training established by the board. The board may defer the promulgation of selection standards until necessary research for job relatedness is completed. (c) Minimum training standards may include, but are not limited to, basic, entry, continuation, supervisory, management, and specialized assignments.