California Penal Code
Sec.
§
1192.4
If the defendant’s plea of guilty pursuant to Section 1192.1 or 1192.2 is not accepted by the prosecuting attorney and approved by the court, the plea shall be deemed withdrawn and the defendant may then enter such plea or pleas as would otherwise have been available. The plea so withdrawn may not be received in evidence in any criminal, civil, or special action or proceeding of any nature, including proceedings before agencies, commissions, boards, and tribunals.