30 U.S.C. § 28f: Fee

The holder of each unpatented lode mining claim, mill site, or tunnel site, located pursuant to the mining laws of the United States before, on, or after August 10, 1993 , shall pay to the Secretary of the Interior, on or before September 1 of each year, to the extent provided in advance in appropriations Acts, a claim maintenance fee of $100 per claim or site, respectively. Such claim maintenance fee shall be in lieu of the assessment work requirement contained in the Mining Law of 1872 ( 30 U.S.C. 28–28e ) 1 and the related filing requirements contained in section 1744(a) and (c) of title 43. 1 See References in Text note below. The holder of each unpatented placer mining claim located pursuant to the mining laws of the United States before, on, or after August 10, 1993 , shall pay to the Secretary of the Interior, on or before September 1 of each year, the claim maintenance fee described in subsection (a)(1), for each 20 acres of the placer claim or portion thereof. Such claim maintenance fee shall be in lieu of the assessment work requirement contained in the Mining Law of 1872 ( 30 U.S.C. 28 to 28e) 1 and the related filing requirements contained in section 1744(a) and (c) of title 43. The claim main tenance 2 fee under subsection (a) shall be paid for the year in which the location is made, at the time the location notice is recorded with the Bureau of Land Management. The location fee imposed under 2 So in original. Probably should be “maintenance”. section 28g of this title shall be payable not later than 90 days after the date of location. This section shall not apply to any oil shale claims for which a fee is required to be paid under section 2511(e)(2) of the Energy Policy Act of 1992 ( Public Law 102–486 ; 106 Stat. 3111 ; 30 U.S.C. 242 ). held not more than 10 mining claims, mill sites, or tunnel sites, or any combination thereof, on public lands; and have performed assessment work required under the Mining Law of 1872 ( 30 U.S.C. 28–28e ) 1 to maintain the mining claims held by the claimant and such related parties for the assessment year ending on noon of September 1 of the calendar year in which payment of the claim maintenance fee was due. the spouse and dependent children (as defined in section 152 of title 26 ), of the claimant; and a person who controls, is controlled by, or is under common control with the claimant. If a small miner waiver application is determined to be defective for any reason, the claimant shall have a period of 60 days after receipt of written notification of the defect or defects by the Bureau of Land Management to: (A) cure such defect or defects, or (B) pay the $100 claim maintenance fee due for such period.