StacksVerified U.S. regulatory reference

36 CFR §228.50

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
At least annually, the purchaser or permittee must furnish a record of the volume extracted, in cubic yards or weight equivalent, to the authorized officer. The units of measurement must correspond to the units used in the appraisal or estimate.