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Code · CFR · Title 30 — Mineral Resources · Part 50 · § 50.40

§ 50.40. Maintenance of records.

112 words·~1 min read·/us/cfr/t30/s§ 50.40·

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(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. \[42 FR 65535, Dec. 30, 1977, as amended at 43 FR 12318, Mar. 24, 1978\]
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§ 50.40
Maintenance of records.
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