US lawFederal (United States)RegulationsTitle 43 CFR — Public Lands: InteriorPart 4 — DEPARTMENT OF THE INTERIOR HEARINGS AND APPEALS PROCEDURESSubpart L — Specific Rules Applicable to Hearings and Appeals Concerning Surface Coal Mining4.115343 C.F.R. § 4.1153Answer.Last amended: 2025Year: 2026Length: 24 wordsOfficial source Cite as 43 C.F.R. § 4.1153 (2026)OSM shall have 30 days from receipt of a copy of the petition within which to file an answer to the petition with DCHD.Previous43 C.F.R. § 4.1152Next43 C.F.R. § 4.1154