(a) Should the noncustodial parent contest the withholding because of mistake of fact, then, after providing the noncustodial parent an opportunity to present his or her case, the court or its representative shall determine whether the withholding shall occur and shall notify the noncustodial parent of the determination and, if appropriate, the time period in which withholding will commence.
(b) In cases being enforced under Title IV-D of the Social Security Act, 42 U.S.C. § 651 et seq., by the Office of Child Support Enforcement of the Revenue Division of the Department of Finance and Administration, § 9-14-516 shall apply.