(a) If the obligor files a motion to stay as provided by Section 8.256, the court shall set a hearing on the motion and the clerk of the court shall notify the obligor and obligee of the date, time, and place of the hearing.
(b) The court shall hold a hearing on the motion to stay not later than the 30th day after the date the motion was filed unless the obligor and obligee agree and waive the right to have the motion heard within 30 days.
(c) After the hearing, the court shall:
(1) render an order for income withholding that includes a determination of any amount of arrearages; or
(2) grant the motion to stay.