§77.106 — Records of certified and qualified persons The operator of each coal mine shall maintain a list of all certified and qualified persons designated to perform duties under this Part 77.
(Pub. L. No. 96-511, 94 Stat. 2812 (44 U.S.C. 3501 et seq.))
[36 FR 9364, May 22, 1971, as amended at 60 FR 33723, June 29, 1995]