CFR›Title 43›Subtitle B›Chapter II›Part 3800›Subpart 3809›Subject Group Modification or Replacement of a Financial Guarantee ContainsSections 3809.580–3809.582CorpusDaily eCFRDisplayed edition2026-10-27Last updated2026-10-27 Sections 3809.580 § 3809.580 What happens if I modify my notice or approved plan of operations? 3809.581 § 3809.581 Will BLM accept a replacement financial instrument? 3809.582 § 3809.582 How long must I maintain my financial guarantee? Previous Inspection and Enforcement Inspection and Enforcement Next Modifications of Plans of Operations Modifications of Plans of Operations