Section 26306 Of Chapter 4. Employer And Participant Responsibilities From California Education Code >> Division 1. >> Title 1. >> Part 14. >> Chapter 4.

. (a) Upon request by the system, a participant or beneficiary with respect to the Cash Balance Benefit Program shall provide to the system any information affecting his or her status as a participant or beneficiary.
  (b) Upon request by the system, the participant shall provide proof of his or her date of birth.
  (c) A participant who has not contributed to the Cash Balance Benefit Program during the immediately preceding plan year shall provide the system with his or her current mailing address and beneficiary information.