California Code, Penal Code - PEN § 1000.5

(a)(1) The presiding judge of the superior court, or a judge designated by the presiding judge, together with the district attorney and the public defender, may agree in writing to establish and conduct a preguilty plea drug court program pursuant to the provisions of this chapter, wherein criminal proceedings are suspended without a plea of guilty for designated defendants.  The drug court program shall include a regimen of graduated sanctions and rewards, individual and group therapy, urinalysis testing commensurate with treatment needs, close court monitoring and supervision of progress, educational or vocational counseling as appropriate, and other requirements as agreed to by the presiding judge or his or her designee, the district attorney, and the public defender.  If there is no agreement in writing for a preguilty plea program by the presiding judge or his or her designee, the district attorney, and the public defender, the program shall be operated as a pretrial diversion program as provided in this chapter.

(2) A person charged with a misdemeanor under paragraph (3) of subdivision (b) of Section 11357.5 or paragraph (3) of subdivision (b) of Section 11375.5 of the Health and Safety Code shall be eligible to participate in a preguilty plea drug court program established pursuant to this chapter, as set forth in Section 11375.7 of the Health and Safety Code.