(a) At any time during detention, the person may be converted to voluntary status if the person's certified substance abuse counselor files a written statement of consent with the court. The court shall dismiss the petition immediately upon the filing of said statement.
(b) If, upon evaluation, the certified substance abuse counselor determines that the person is not addicted to alcohol or drugs or would benefit by an alternative method of treatment, the counselor shall file a copy of the evaluation with the court along with a request for amendment of the court's order of detention.