I. An obligor may contest the validity of enforcement of an income-withholding order issued in another state and received directly by an employer in this state by registering the order in a tribunal of this state and filing a contest to that order as provided in Article 6, or otherwise contesting the order in the same manner as if the order had been issued by a tribunal of this state.
II. The obligor shall give notice of the contest to:
(a) A support enforcement agency providing services to the obligee;
(b) Each employer which has directly received an income-withholding order relating to the obligor; and
(c) The person designated to receive payments in the income-withholding order; or if no person is designated, to the obligee.