California Code, Government Code - GOV § 31486.9

(a) General members may, within 180 days of the effective date of this article, elect to transfer to the retirement plan created by this article upon proper application executed by the member and filed with the board. The transfer is voluntary and shall be irrevocable.

(b) The retirement benefits of the transferred members are governed and defined by this article.

(c) Transferring members relinquish and waive any and all previously available vested or accrued retirement, survivor, disability and death benefits. However, notwithstanding any other provision of this article, a transferring member may elect to receive credit and a retirement benefit as determined by the former retirement system for public service credit received by leaving contributions on deposit or a refund of contributions and relinquish public service credit.