CFR›Title 30›Chapter I›Part 56›Subpart A›Subject Group Procedures ContainsSection 56.1000CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Sections 56.1000 § 56.1000 Notification of commencement of operations and closing of mines. Previous 56.2 § 56.2 Definitions.