Cal. Educ. Code § 89900
(d) Retirement benefits may be provided by other than the Public Employees’ Retirement System. A contract for participation in the Public Employees’ Retirement System in accordance with the terms and conditions of the Public Employees’ Retirement Law shall be deemed to satisfy fully the requirements of subdivision (c) with respect to retirement.
Notwithstanding anything in subdivision (c) to the contrary, the regulations established by the trustees may exempt the governing board of any newly created auxiliary organization from the requirement of providing retirement benefits for a period not to exceed three years from the date that the auxiliary organization is established.