Cal. Gov. Code § 19849.6

Any person who vacates a position in the state civil service to accept appointment by the Governor or by the Legislature to a position or an office for which the salary is fixed by statute and who thereafter is reinstated to his or her former position as provided by Section 19141 shall be credited only with such accumulated sick leave, and with such unused or accumulated vacation or annual leave for which he or she did not receive a lump-sum payment, as he or she was entitled to at the time he or she vacated the position.