At the time of completion, the person performing inspections, tests, and maintenance of hoisting equipment required in standard 56.19120 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.
30 C.F.R. §56.19121
Sec. 101 , Pub. L. 91-173 as amended by Pub. L. 95-164 , 91 Stat. 1291 (30 U.S.C. 811 )