California Code, Government Code - GOV § 19844.1

(a) Notwithstanding any other provision of law, personal leave, sick leave, annual leave, vacation, bereavement leave, holiday leave, and any other paid or unpaid leave, shall not be considered as time worked by the employee for the purpose of computing cash compensation for overtime or compensating time off for overtime.

(b) If subdivision (a) is in conflict with the provisions of a memorandum of understanding reached or amended pursuant to Section 3517.5 on or after February 1, 2009, or the date that the act adding this section takes effect, whichever is later, that memorandum of understanding shall be controlling without further legislative action, except that if those provisions of the memorandum of understanding require the expenditure of funds, the provisions shall not become effective unless approved by the Legislature in the annual Budget Act.