43 CFR § 3809.594
What happens to my financial guarantee when my mining claim or millsite is patented?
June 11, 2020
(a) When your mining claim or millsite is patented, BLM will release the portion of the financial guarantee that applies to operations within the boundaries of the patented land. This paragraph does not apply to patents issued on mining claims within the boundaries of the California Desert Conservation Area.
(b) BLM will release the remainder of the financial guarantee, including the portion covering approved access outside the boundaries of the mining claim, when you have completed reclamation to the standards of this subpart.