30 C.F.R. § 707.4 Responsibility.
Title 30 - Mineral Resources
(a) The regulatory authority is responsible for enforcing the requirements of this part. (b) Any person conducting coal extraction as an incidental part of government-financed construction is responsible for possessing, on the site of the extraction operation, the documentation required by 30 CFR 707.12.
Title 30: Mineral Resources
PART 707—EXEMPTION FOR COAL EXTRACTION INCIDENT TO GOVERNMENT-FINANCED HIGHWAY OR OTHER CONSTRUCTION
§ 707.4 Responsibility.