(a) The circuit court may terminate an income withholding order upon proof that the court or its representative has been unable to deliver payments to the custodial parent for a period of six (6) months.
(b) An income withholding order shall terminate when there is no further support obligation owed.
(c) The circuit court or its representative shall notify the payor to cease withholding and shall refund support payments to the noncustodial parent in those cases in which no state debt as defined in § 9-14-211 remains unpaid.