"Net operating income" means the excess of the revenues of a business enterprise over the expenses of the enterprise, excluding the income from sources other than its regular activities, but before the deduction of debt interest or recapture of capital. In property tax appraisal, the net operating income is at a level that also includes the sum to be paid for property taxes.
Nev. Admin. Code § 361.340
NRS 360.090, 361.320