At any hearing contesting a proposed income withholding based on a foreign support order entered under section 43-1729, the entered order, the certified copy of an income withholding order or notice, if any, still in effect, and the sworn or certified statement concerning arrearages and any assignment of rights shall constitute prima facie evidence, without further proof or foundation, that the support order is valid, that the amount of current support payments and arrearages is as stated, and that the obligee would be entitled to income withholding under the law of the jurisdiction which issued the support order.
Once a prima facie case has been established, the obligor may raise only the following defenses:
The burden shall be on the obligor to establish such defenses.
Neb. Rev. Stat. §§ 43-1734