The attorney for the Commonwealth may not recommend and the court may not authorize placement on Accelerated Rehabilitative Disposition for a violation of any offense set forth in any of the following if the victim was, at the time of the commission of the offense, under 18 years of age:
(1) Section 3121 (relating to rape).
(2) Section 3123 (relating to involuntary deviate sexual intercourse).
(3) Section 3125 (relating to aggravated indecent assault).