30 C.F.R. § 57.19121 Recordkeeping.
Title 30 - Mineral Resources
At the time of completion, the person performing inspections, tests, and maintenance of shafts and hoisting equipment required in standard 57.19120 shall certify, by signature and date, that they have been done. A record of any part that is not functioning properly shall be made and dated. Certifications and records shall be retained for one year. (Sec. 101, Pub. L. 91–173 as amended by Pub. L. 95–164, 91 Stat. 1291 (30 U.S.C. 811)) [50 FR 4082, Jan. 29, 1985, as amended at 60 FR 33722, June 29, 1995]
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Inspection and Maintenance
§ 57.19121 Recordkeeping.
