Sec. 12. (a) If by the expiration of the supervisory period the division has not been able to certify that an individual has completed the treatment program, the pending proceeding may be resumed upon motion of the prosecuting attorney.
(b) If, before the supervisory period expires, the division determines that further treatment of the individual is not likely to be successful, the division shall so advise the court. The court shall terminate the supervision, and the pending criminal proceeding may be resumed upon motion of the prosecuting attorney.