Cal. Education Code § 26300

(a) Within 10 working days following the later of the first day of employment, the date of the employer’s governing board’s action to provide the Cash Balance Benefit Program, or the effective date of the employer’s governing board’s action to provide the Cash Balance Benefit Program, the employer shall make available to the employee the following information: (1) The employee’s rights and responsibilities as a participant in the program, the employer’s responsibilities under the program, and the benefits payable under the program. (2) The employee’s right to elect membership in the Defined Benefit Program in lieu of participation in the Cash Balance Benefit Program, the rights and responsibilities of a member and the employer under the Defined Benefit Program, and benefits payable under the Defined Benefit Program. (b) Written acknowledgment by the employee that he or she has received the information specified in subdivision (a) shall be retained in the employer’s files on a form prescribed by the system. (c) If an employer’s governing board’s action to provide the Cash Balance Benefit Program gives employees the right to elect other coverage in lieu of the Cash Balance Benefit Program pursuant to Section 26400, the employer shall, within 10 working days following the later of the first day on which creditable service is performed, the date of the employer’s governing board’s action to provide the program or the effective date of the employer’s governing board’s action to provide the program, notify existing employees of the following: (1) The employee’s right to elect other coverage if offered by the employer in lieu of participation in the Cash Balance Benefit Program. (2) The rights and responsibilities of the employer and a participant in an alternative retirement plan if offered by the employer. (3) The benefits payable under an alternative retirement plan if offered by the employer.