30 CFR Part 50Public Domain
§ 50.40 — Maintenance of records
Subpart E — Maintenance of Records; Verification of Information
(a)Each operator of a mine shall maintain a copy of each investigation report required to be prepared under § 50.11 at the mine office closest to the mine for five years after the concurrence.
(b)Each operator shall maintain a copy of each report submitted under § 50.20 or § 50.30 at the mine office closest to the mine for five years after submission. Upon request by the Mine Safety and Health Administration, an operator shall make a copy of any report submitted under § 50.20 or § 50.30 available to MSHA for inspection or copying.
Public Domain: 30 CFR Part 50 (MSHA Notification, Investigation, Reports and Records) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.