30 CFR §1206.463
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
If an ad valorem Federal coal lease is developed by in-situ or surface gasification or liquefaction technology, the lessee shall propose the value of coal for royalty purposes to ONRR. ONRR will review the lessee's proposal and issue a value determination. The lessee may use its proposed value until ONRR issues a value determination.