full amount of a supervision fee upon being discharged from probation, or upon termination of the period of delayed sentence for a person subject to delayed sentence, the department shall review and compare the actual income of the person during the period of probation or delayed sentence with the income amount projected when the supervision fee was ordered. If the department determines that the person's actual income did not equal or exceed the projected income, the department shall waive any unpaid amount in excess of the total amount that the person would have been ordered to pay if the person's income had been accurately projected, unless the court order states that a higher amount was ordered due to available assets or other financial resources.

his ability to pay, as established pursuant to regulations promulgated by the Board of Corrections. The regulations shall provide that (i) any fees collected for such treatment shall be paid directly to the service provider and (ii) any person may be exempt from the payment of such fees on the grounds of unreasonable hardship.