CFR›Title 43›Subtitle B›Chapter II›Part 3833›Subpart B ContainsSections 3833.20–3833.22CorpusDaily eCFRDisplayed edition2026-05-22Last updated2026-05-22 Subpart B—Amending Mining Claims and Sites Sections 3833.20 § 3833.20 Amending mining claims and sites. 3833.21 § 3833.21 When may I amend a notice or certificate of location? 3833.22 § 3833.22 How do I amend my location? Previous A Subpart A—Recording Process Next C Subpart C—Filing Transfers of Interest