(a) The 31st day of March shall be designated “Cesar Chavez Day” in observance of the birthday of Cesar Chavez.
(b) The administrative head of a state agency may allow an employee of the agency to have a day off with pay on Cesar Chavez Day in lieu of any other state holiday that occurs on a weekday, other than a weekday on which an election is held throughout the state, on which the state agency is required to be open but on which the operations of the agency are required to be maintained at only a minimum level.

(c) On Cesar Chavez Day, each state agency shall remain open and conduct the operations of the agency at a minimum level.
(d) A holiday allowed under this section is in lieu of another holiday prescribed by law. The total number of holidays in a year to which an employee of a state agency is entitled is not changed by this section.