Cal. Veh. Code § 23598

In lieu of the alcohol or drug education program prescribed by Section 23538, 23542, 23548, 23552, 23556, 23562, or 23568, a court may impose, as a condition of probation, that the person complete, subsequent to the underlying conviction, a program specified in Section 8001 of the Penal Code, if the person consents and has been accepted into that program. Acceptance into that program shall be verified by a certification, under penalty of perjury, by the director of the program.