Nevada Remedies; Special Actions and Proceedings Sec. § 31A.270 Calculation of amount to be assigned. NRS 31A.160 applies to all assignments of income pursuant to NRS 31A.250 to 31A.330, inclusive. The assignment: 1.Must be calculated in accordance with NRS 31.295. 2.May include the amount of the current support due and a payment on the arrearages if previously ordered by a court of competent jurisdiction.