1. The amount specified as deficient in a determination made by the Department pursuant to the provisions of NRS 360A.100 to 360A.220, inclusive, is due at the time the determination becomes final.
2. If the amount specified as deficient in a determination is not paid when the determination becomes final and the person against whom the determination is made has not entered into a written agreement with the Department for the payment of the amount specified as deficient in the determination, the Department shall impose a penalty of 10 percent of the amount specified as deficient in the determination, exclusive of interest and penalties.