(1) An obligor may contest the validity or 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.

    (2) The obligor shall give notice of the contest to all of the following:

    (a) A support enforcement agency providing services to the obligee.

    (b) Each employer that has directly received an income-withholding order relating to the obligor.

    (c) The person designated to receive payments in the income-withholding order or, if no person is designated, to the obligee.