N.D. Cent. Code § 14-12.2-33.5: (506) Contest by obligor

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 sections 14-12.2-35 through 14-12.2-46.4, 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:

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; and

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