U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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All TitlesTitle 43Chapter IIPart 3833Subpart D - Subpart D—Defective Filings
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Defects or other problems that cannot be cured and therefore result in forfeiture of your mining claims or sites are:
(a) Failing to record a mining claim or site within 90 days after you locate it;
(b) Failing to pay the location fee or initial maintenance fee within 90 days after you locate it; and
(c) Locating a mining claim or site on lands withdrawn from mineral entry at the time you locate it.
