(a) Within 15 days from the filing of a petition for modification, the Mine Safety and Health Administration will give notice of the petition to each known representative of miners or the operator of the affected mine, as appropriate, and shall publish notice of the petition in the Federal Register.

(b) The Federal Register notice shall contain a statement that the petition has been filed, identify the petitioner and the mine or mines to which the petition relates, cite the mandatory safety standard for which modification is sought, and describe the requested relief.

(c) All such notices shall advise interested parties that they may, within 30 days from the date of publication in the Federal Register, in writing, comment upon or provide information relative to the proposed modification.