CFR›Title 30›Chapter I›Part 50›Subpart E ContainsSections 50.40–50.41CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart E—Maintenance of Records; Verification of Information Sections 50.40 § 50.40 Maintenance of records. 50.41 § 50.41 Verification of reports. Previous D Subpart D—Quarterly Employment and Coal Production Report