30 C.F.R. § 43.2
(b) Under section 103(g)(2) of the Act, a representative of miners or, if there is no such representative, a miner, may notify in writing an authorized representative of the Secretary who is on mine premises prior to or during an inspection, of any violation or imminent danger which he or she has reason to believe exists in the mine. There shall be procedures for the informal review of any refusal by the Secretary's authorized representative to issue a citation with respect to such alleged violation or danger, including notification to the miners' representative or miner of the reasons for his disposition of the case.
(Pub. L. No. 96-511, 94 Stat. 2812 (44 U.S.C. 3501 et seq.))
[43 FR 29515, July 7, 1978, as amended at 47 FR 14696, Apr. 6, 1982; 60 FR 33722, June 29, 1995]