California Code, Government Code - GOV § 21020.5

(a) “Public service” also means time, on or after October 14, 1991, during which a person was employed under the California Senate Fellows, the Assembly Fellowship, or the Executive Fellowship programs, and time, on or after January 1, 2003, during which a person was employed under the Judicial Administration Fellowship program.

(b) A member may elect at any time prior to retirement to receive service credit for that public service by making the contributions as specified in Sections 21050 and 21052.

(c) This section shall not apply to any contracting agency nor to the employees of any contracting agency until the agency elects to be subject to this section by contract or by amendment to its contract made in the manner prescribed for approval of contracts.