Cal. Gov. Code § 20395
"State peace officer/firefighter member" means all members who are full-time permanent employees represented in Corrections Unit No. 6, Protective Services and Public Safety Unit No. 7, and Firefighters Unit No. 8 and are employed in class titles that are designated as peace officer as defined in Chapter 4.5 (commencing with Section 830) of Title 3 of Part 2 of the Penal Code or are firefighters whose principal duties consist of active firefighting/fire suppression.
A member who is employed in a position that is reclassified from state miscellaneous to state peace officer/firefighter pursuant to this section, may make an irrevocable election in writing to remain subject to the miscellaneous service retirement benefit and the normal rate of contribution by filing a notice of the election with the board within 90 days of notification by the board. A member who so elects shall be subject to the reduced benefit factors specified in Section 21353 or 21354.1, as applicable, only for service also included in the federal system.
Ca. Gov. Code § 20395