Section 1206.450 - What is the purpose and scope of this subpart?(a) This subpart prescribes the procedures to establish the value, for royalty purposes, of all coal from Indian Tribal and allotted leases (except leases on the Osage Indian Reservation, Osage County, Oklahoma).(b) If the specific provisions of any statute, treaty, or settlement agreement between the Indian lessor and a lessee resulting from administrative or judicial litigation, or any coal lease subject to the requirements of this subpart, are inconsistent with any regulation in this subpart, then the statute, treaty, lease provision, or settlement shall govern to the extent of that inconsistency.(c) ONRR may audit and order you to adjust all royalty payments. ONRR or an authorized Tribe may require you to provide records for the audit by one or more of the methods specified in 30 CFR 1217.10 .(d) The regulations in this subpart are intended to ensure that the trust responsibilities of the United States with respect to the administration of Indian coal leases are discharged in accordance with the requirements of the governing mineral leasing laws, treaties, and lease terms. 88 FR 47012 , July 21, 2023, as amended at 88 FR 53792 , Aug. 9, 2023 81 FR 43395 , 1/1/2017; 82 FR 36981 , 9/6/2017; 85 FR 62045 , 10/1/2020; 88 FR 47012 , 1/1/2017; 88 FR 53792 , 9/8/2023