California Code, Penal Code - PEN § 1203.074

(a) A person convicted of a felony specified in subdivision (b) may be granted probation only in an unusual case where the interests of justice would best be served; when probation is granted in such a case, the court shall specify on the record and shall enter in the minutes the circumstances indicating that the interests of justice would best be served by such a disposition.

(b) Except as provided in subdivision (a), probation shall not be granted to, nor shall the execution or imposition of sentence be suspended for, any person who is convicted of violating Section 11366.6 of the Health and Safety Code.