29 C.F.R. § 2700.44 : Labor — REGULATIONS RELATING TO LABOR — FEDERAL MINE SAFETY AND HEALTH REVIEW COMMISSION — PROCEDURAL RULES — COMPLAINTS OF DISCHARGE, DISCRIMINATION OR INTERFERENCE — Petition for assessment of penalty in discrimination cases

(a) Petition for assessment of penalty in Secretary's complaint. A discrimination complaint filed by the Secretary shall propose a civil penalty of a specific amount for the alleged violation of section 105(c) of the Act, 30 U.S.C. 815(c). The petition for assessment of penalty shall include a short and plain statement of supporting reasons based on the criteria for penalty assessment set forth in section 110(i) of the Act. 30 U.S.C. 820(i).
(b) Petition for assessment of penalty after sustaining of complaint by miner, representative of miners, or applicant for employment. Immediately upon issuance of a decision by a Judge sustaining a discrimination complaint brought pursuant to section 105(c)(3), 30 U.S.C. 815(c)(3), the Judge shall notify the Secretary in writing of such determination. The Secretary shall file with the Commission a petition for assessment of civil penalty within 45 days of receipt of such notice.

29 C.F.R. § 2700.44