(a) Not later than the 20th day after the date an order or writ of withholding is delivered, the employer may, as appropriate, file a motion with the court or file a request with the Title IV-D agency for a hearing on the applicability of the order or writ to the employer. The Title IV-D agency by rule shall establish procedures for an agency hearing under this section.
(b) The hearing under this section shall be held not later than the 15th day after the date the motion or request was made.

(c) An order or writ of withholding remains binding and payments shall continue to be made pending further order of the court or, in the case of an administrative writ, action of the Title IV-D agency.