The term of office of all employees or officials elected by any state, district, parochial or municipal board shall not be for a longer period of time than the term of office of the membership of the board electing them so that each respective board shall elect its own officers and employees. This Section does not apply to the officers or employees of any board governed by a civil service law of this state or of any parish or municipality thereof.
La. Public Officers and Employees § 42:3