(a) This division does not apply to the development and approval of building standards by state agencies for recycled water systems.
(b) This section shall become inoperative on July 1, 2017, and, as of January 1, 2018, is repealed, unless a later enacted statute, that becomes operative on or before January 1, 2018, deletes or extends the dates on which it becomes inoperative and is repealed.