25 CFR § 502.16
Net revenues
February 24, 2021
Net revenues means gross gaming revenues of an Indian gaming operation less—
(a) Amounts paid out as, or paid for, prizes; and
(b) Total gaming-related operating expenses, including all those expenses of the gaming operation commonly known as operating expenses and non-operating expenses consistent with professional accounting pronouncements, excluding management fees.
[74 FR 36932, July 27, 2009]