(

a) Notwithstanding

Section and except as provided in subdivision (c), probation shall not be granted to, nor shall the execution or imposition of sentence be suspended for, either of the following:

(1) A person who is convicted of violating

Section of the Health and Safety Code by using, soliciting, inducing, encouraging, or intimidating a minor to act as an agent to manufacture, compound, or sell a controlled substance specified in subdivision (

d) of

Section of the Health and Safety Code, except paragraphs (13), (14), (15), (20), (21), (22), and (23) of subdivision (d), or specified in subdivision (d), (e), or (

f) of

Section of the Health and Safety Code, except paragraph (3) of subdivision (

e) and subparagraphs (

A) and (

B) of paragraph (2) of subdivision (

f) of

Section of the Health and Safety Code.

(2) A person who is convicted of violating

Section of the Health and Safety Code by using a minor as an agent or who solicits, induces, encourages, or intimidates a minor with the intent that the minor shall violate the provisions of

Section 11378.5, 11379.5, or 11379.6 of the Health and Safety Code insofar as the violation relates to phencyclidine or any of its analogs or precursors. (

b) The existence of a fact that would make a person ineligible for probation under subdivision (

a) shall be alleged in the information or indictment, and either admitted by the defendant in open court, or found to be true by the jury trying the issue of guilt or by the court where guilt is established by plea of guilty or nolo contendere or by trial by the court sitting without a jury. (

c) A person who is made ineligible for probation pursuant to this

section may be granted probation only in an unusual case where the interests of justice would best be served. When probation is granted pursuant to this subdivision, the court shall specify on the record and shall enter into the minutes the circumstances supporting the finding.