ONRR means the Office of Natural Resources Revenue, Department of the Interior. ONRR includes, where appropriate, tribal auditors acting under agreements under the Federal Oil and Gas Royalty Management Act of 1982, 30 U.S.C. 1701 et seq. or other applicable agreements.
30 CFR § 1206.171
The following definitions apply to this subpart and to subpart J of part 1202 of this title: