30 U.S. Code § 28i - Failure to pay
Failure to pay the claim maintenance fee or the location fee as required by sections 28f to 28l of this title shall conclusively constitute a forfeiture of the unpatented mining claim, mill or tunnel site by the claimant and the claim shall be deemed null and void by operation of law.
Pub. L. 111–88, which directed the amendment of section 28i of title 30, United States Code, was executed by making the amendment to section 10104 of Pub. L. 103–66, which is classified to this section, to reflect the probable intent of Congress. See 2009 Amendment note below.
2009—Pub. L. 111–88 substituted “28l” for “28k”. See Codification note above.