California Code, Government Code - GOV § 19771

(a) Upon presentation of a copy of orders for active duty in the Armed Forces, the National Guard, or the Naval Militia, the appointing power shall grant a military leave of absence for the period of active duty specified in the orders, but not to exceed five years for a permanent, probationary, or exempt employee, or for the remainder of a limited-term employee's appointment or a temporary employee's appointment.

(b) If the provisions of this section are in conflict with the provisions of a memorandum of understanding reached pursuant to Section 3517.5, the memorandum of understanding shall be controlling without further legislative action, except that if the provisions of a memorandum of understanding require the expenditure of funds, the provisions may not become effective unless approved by the Legislature in the annual Budget Act.