43 C.F.R. § 4.1304 Answer, motion, or statement of OSM.
Title 43 - Public Lands: Interior
Within 30 days from receipt of a copy of a petition, OSM shall file with the Hearings Division an answer or motion, or a statement that it will not file an answer or motion, in response to the petition.
Title 43: Public Lands: Interior
PART 4—DEPARTMENT HEARINGS AND APPEALS PROCEDURES
Subpart L—Special Rules Applicable to Surface Coal Mining Hearings and Appeals
Petitions for Review of Proposed Individual Civil Penalty Assessments Under Section
§ 4.1304 Answer, motion, or statement of OSM.

