30 U.S.C. § 28h
Co-ownership
The co-ownership provisions of the Mining Law of 1872 ( 30 U.S.C. 28 ) shall remain in effect, except that in applying such provisions, the annual claim maintenance fee required under this Act shall, where applicable, replace applicable assessment requirements and expenditures.
( Pub. L. 103–66, title X, § 10103 , Aug. 10, 1993 , 107 Stat. 406 .)